Commit Graph

589574 Commits

Author SHA1 Message Date
Luca Coelho
71b1230ca9 iwlwifi: wake from runtime suspend before sending sync commands
If a host command was queued while in runtime suspend, it would go out
before the D0I3_END_CMD was sent.  Sometimes it works, but sometimes
it fails, and it is obviously the wrong thing to do.

To fix this, have the opmode take a reference before sending a SYNC
command and make the pcie trans wait for the runtime state to become
active before actually queueing the command.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:48 +03:00
Emmanuel Grumbach
fa820d696c iwlwifi: mvm: allow a debug knob for Tx A-MSDU even if rate control forbids it
There is a debugfs knob to configure the maximal length
of the A-MSDU. If this value is not 0 (which is the
default), allow Tx A-MSDU even if the rate control
disallows it.
While at it, add "unlikely" to the if that limits the
length of the A-MSDU based on the debugfs hook.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:47 +03:00
Haim Dreyfuss
aea2a5f0d8 iwlwifi: Rename 9560 to 9260 and add new PCI IDs for it
Rename 9560 to 9260.
Add new PCI ID for 9260 and change some entries from 5165 to 9260.
Also order the 9000 series.

Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:47 +03:00
Sara Sharon
e9eb5e338f iwlwifi: mvm: add a flag to disable checksum
Add a constant to allow disabling checksum. This will enable easier
debugging in early phases.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:46 +03:00
Johannes Berg
80938abc79 iwlwifi: mvm: advertise RSS queue usage
In order for mac80211 to use per-CPU statistics for RSS RX, the
driver needs to advertise that it uses RSS. Do this when using
more than a single queue.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:45 +03:00
Luca Coelho
c24c7f58d7 iwlwifi: trans: don't call the trans-specific ref/unref directly
It's cleaner to always call the iwl_trans_ref/unref() functions
instead of sometimes calling the trans-specific ops directly.  This
also prepares for moving some of the code from the trans-specific ops
to the common trans code.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:45 +03:00
Liad Kaufman
2b1ba3ef92 iwlwifi: mvm: support queue removal in ADD_STA hcmd
To indicate to the FW that a queue has been removed, an
existing flag in the ADD_STA HCMD (that hasn't been in use)
has been changed to indicate that a queue is being removed
from a STA.

Update this in the driver code.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:44 +03:00
Sara Sharon
a338384bb3 iwlwifi: mvm: utilize the frame release infrastructure
The firmware will send frame release notification in order
to release "stuck" frames on a queue where no more frames
arrive on.
Upon receiving the message the driver shall indicate the frames
up to the NSSN.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:43 +03:00
Sara Sharon
0690405fef iwlwifi: mvm: add reorder timeout per frame
Add a timer in order to release expired frames from the
reorder buffer.
This is needed since some APs do not retransmit frames
to fill in the reorder holes and in TCP it results with
a complete stall of traffic.

This has a few side effects on the general design:

The nssn may not reflect the the head of the reorder buffer.
This situation is valid, and packets with SN lower than the
reorder buffer head will be dropped.

Another side effect is that since the reorder timer might expire
we need to lock the reorder buffer.
This however is fine since the locking is only inside a
single reorder buffer between RX path and reorder timeout and
there is no outside contention.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:42 +03:00
Sara Sharon
b915c10174 iwlwifi: mvm: add reorder buffer per queue
Next hardware will direct packets to core based on the TCP/UDP
streams.
This logic can create holes in reorder buffer since packets that
belong to other stream were directed to a different core.
However, those are valid holes and the packets can be indicated
in L3 order.

The hardware will utilize a mechanism of informing the driver of
the normalized ssn and the driver shall release all packets that
SN is lower than the nssn.
This enables managing the reorder across the queues without sharing
any data between them.

The reorder buffer is allocated and released directly in the RX path
in order to avoid various races between control path and rx path.
The code utilizes the internal messaging to notify rx queues of when
to delete the reorder buffer.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:42 +03:00
Johannes Berg
2dd493434d iwlwifi: mvm: add firmware API name comment
Add the firmware API name to the struct iwl_wowlan_gtk_status.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:41 +03:00
Sara Sharon
10b2b2019d iwlwifi: mvm: add infrastructure for tracking BA session in driver
According to the spec when a BA session is started there
is a timeout set for the session in the ADDBA request.
If there is not activity on the TA/TID then the session
expires and a DELBA is sent.
In order to check for the timeout, data must be shared
among the rx queues.
Add a timer that runs as long as BA session is active
for the station and stops aggregation session if needed.
This patch also lays the infrastructure for the reordering
buffer which will be enabled in the next patches.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:40 +03:00
Sara Sharon
d0ff5d2297 iwlwifi: mvm: change RX sync notification to be an attribute and not a type
Currently the sync notification is a type of notification. However, it
is better fitted as an attribute of a notification, since there might
be another message in the payload (delba for instance) that should be
sent while control path is waiting for all queues to process.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:40 +03:00
Sara Sharon
0636b93821 iwlwifi: mvm: implement driver RX queues sync command
mac80211 will call the driver whenever there is a race between
RSS queues and control path that requires a processing of all
pending frames in RSS queues.
Implement that by utilizing the internal notification mechanism:
queue a message to all queues. When the message is received on
a queue it decrements the atomic counter. This guarantees that
all pending frames in the RX queue were processed since the message
is in order inside the queue.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 22:14:39 +03:00
Mordechai Goodstein
e5ed17929b iwlwifi: Edit the 8265 SDIO ID
Add new 8265 series SDIO ID.

Signed-off-by: Mordechai Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 18:34:58 +03:00
Liad Kaufman
4c965139a3 iwlwifi: mvm: support p2p device frames tx on dqa queue #2
Support sending P2P device frames should be sent from
queue #2, as required in DQA mode.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 18:34:25 +03:00
Liad Kaufman
de24f63802 iwlwifi: mvm: allocate queue for probe response in dqa mode
In DQA mode, allocate a dedicated queue (#9) for P2P GO/soft
AP probe responses.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 18:32:47 +03:00
Luca Coelho
a525d0eab1 * fix P2P rates (and possibly other issues)
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Merge tag 'iwlwifi-for-kalle-2016-05-04' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

* fix P2P rates (and possibly other issues)

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10 11:56:24 +03:00
Luca Coelho
bae6692c24 To synchronize with Kalle, here's just a big change that affects
all drivers - removing the duplicated enum ieee80211_band and
 replacing it by enum nl80211_band. On top of that, just a small
 documentation update.
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Merge tag 'mac80211-next-for-davem-2016-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next into master

To synchronize with Kalle, here's just a big change that affects
all drivers - removing the duplicated enum ieee80211_band and
replacing it by enum nl80211_band. On top of that, just a small
documentation update.
2016-05-10 10:30:56 +03:00
Emmanuel Grumbach
5c08b0f502 iwlwifi: mvm: don't override the rate with the AMSDU len
The TSO code creates A-MSDUs from a single large send. Each
A-MSDU is an skb and skb->len doesn't include the number of
bytes which need to be added for the headers being added
(subframe header, TCP header, IP header, SNAP, padding).

To be able to set the right value in the Tx command, we
put the number of bytes added by those headers in
driver_data in iwl_mvm_tx_tso and use this value in
iwl_mvm_set_tx_cmd.

The problem by setting this value in driver_data is that
it overrides the ieee80211_tx_info. The bug manifested
itself when we send P2P related frames in CCK since the
rate in ieee80211_tx_info is zero-ed. This of course is
a violation of the P2P specification.

To fix this, copy the original ieee80211_tx_info to the
stack and pass it to the functions which need it.
Assign the number of bytes added by the headers to the
driver_data inside the skb itself.

Fixes: a6d5e32f24 ("iwlwifi: mvm: send large SKBs to the transport")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-05-04 20:59:55 +03:00
Johannes Berg
57fbcce37b cfg80211: remove enum ieee80211_band
This enum is already perfectly aliased to enum nl80211_band, and
the only reason for it is that we get IEEE80211_NUM_BANDS out of
it. There's no really good reason to not declare the number of
bands in nl80211 though, so do that and remove the cfg80211 one.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-12 15:56:15 +02:00
Jouni Malinen
35eb8f7b1a cfg80211: Improve Connect/Associate command documentation
The roaming cases for the Connect command were not fully covered and
neither Connect nor Associate command uses of the prev_bssid parameter
were very clear. Add details to describe how the prev_bssid argument is
supposed to be used and when the driver should use association or
reassociation.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-12 15:38:21 +02:00
Matti Gottlieb
f742aaf36e iwlwifi: mvm: fix accessing Null pointer during fw dump collection
The firwmare file can come with data that is relevant for paging. This
data is availablet to the firmware upon request, but it stored in the
host's memory. During the firmware init flow, the driver configures the
firmware so that the firwmare knows where is the data.
When paging is used, the variable paging_mem_size is the number of bytes
that are available through paging. This variable is not zeror-ed if the
driver fails to configure the paging in the firmware, but the memory is
freed which is inconsistent.
This inconsistency led to a NULL pointer dereference in the code that
collects the debug data.

Fix this by zero-ing the paging_mem_size variable and NULLify the
relevant pointers, so that the code that collects the debug data will
know that the paging data is not available.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-04-12 11:52:39 +03:00
Sara Sharon
e1ba684f76 iwlwifi: 8000: fix MODULE_FIRMWARE input
The firwmare name for 8000 is iwlwifi-8000C. The C is
appended based on a value read from a register. This
allows to load different firwmare versions based on
the hardware step during development. Now that the
hardware development is completed, we can hard code
the 'C' and along the way, fix the input to
MODULE_FIRMWARE.

This fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=116041

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-04-12 11:52:29 +03:00
Ayala Beker
cd49727e1a iwlwifi: mvm: avoid to WARN about gscan capabilities
Gscan capabilities were updated with new capabilities supported
by the device. Update GSCAN capabilities TLV and avoid to WARN
if the firmware does not have the new capabilities.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-04-12 10:03:16 +03:00
Oren Givon
d34475b964 iwlwifi: add device IDs for the 8265 device
Add new 8265 series PCI IDs.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-04-12 10:03:16 +03:00
David S. Miller
bddf59046d wireless-drivers patches for 4.7
Major changes:
 
 iwlwifi
 
 * support for Link Quality measurement
 * more work 9000 devices and MSIx
 * continuation of the Dynamic Queue Allocation work
 * make the paging less memory hungry
 * 9000 new Rx path
 * removal of IWLWIFI_UAPSD Kconfig option
 
 ath10k
 
 * implement push-pull tx model using mac80211 software queuing support
 * enable scan in AP mode (NL80211_FEATURE_AP_SCAN)
 
 wil6210
 
 * add basic PBSS (Personal Basic Service Set) support
 * add initial P2P support
 * add oob_mode module parameter
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Merge tag 'wireless-drivers-next-for-davem-2016-04-11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.7

Major changes:

iwlwifi

* support for Link Quality measurement
* more work 9000 devices and MSIx
* continuation of the Dynamic Queue Allocation work
* make the paging less memory hungry
* 9000 new Rx path
* removal of IWLWIFI_UAPSD Kconfig option

ath10k

* implement push-pull tx model using mac80211 software queuing support
* enable scan in AP mode (NL80211_FEATURE_AP_SCAN)

wil6210

* add basic PBSS (Personal Basic Service Set) support
* add initial P2P support
* add oob_mode module parameter
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 11:58:12 -04:00
Alexei Starovoitov
4923ec0b10 bpf: simplify verifier register state assignments
verifier is using the following structure to track the state of registers:
struct reg_state {
    enum bpf_reg_type type;
    union {
        int imm;
        struct bpf_map *map_ptr;
    };
};
and later on in states_equal() does memcmp(&old->regs[i], &cur->regs[i],..)
to find equivalent states.
Throughout the code of verifier there are assignements to 'imm' and 'map_ptr'
fields and it's not obvious that most of the assignments into 'imm' don't
need to clear extra 4 bytes (like mark_reg_unknown_value() does) to make sure
that memcmp doesn't go over junk left from 'map_ptr' assignment.

Simplify the code by converting 'int' into 'long'

Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-10 22:43:18 -04:00
David S. Miller
ae95d71261 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-04-09 17:41:41 -04:00
Eric Dumazet
03c5b53418 ipv6: fix inet6_lookup_listener()
A stupid refactoring bug in inet6_lookup_listener() needs to be fixed
in order to get proper SO_REUSEPORT behavior.

Fixes: 3b24d854cb ("tcp/dccp: do not touch listener sk_refcnt under synflood")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-09 16:53:52 -04:00
Linus Torvalds
183c948a3c TTY fixes for 4.6-rc3
Here are two tty fixes for issues found.  One was due to a merge error
 in 4.6-rc1, and the other a regression fix for UML consoles that broke
 in 4.6-rc1.
 
 Both have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty fixes from Greg KH:
 "Here are two tty fixes for issues found.

  One was due to a merge error in 4.6-rc1, and the other a regression
  fix for UML consoles that broke in 4.6-rc1.

  Both have been in linux-next for a while"

* tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Fix merge of "tty: Refactor tty_open()"
  tty: Fix UML console breakage
2016-04-09 12:32:44 -07:00
Linus Torvalds
ffb927d1dc USB fixes for 4.6-rc3
Here are some USB fixes and new device ids for 4.6-rc3.
 
 Nothing major, the normal USB gadget fixes and usb-serial driver ids,
 along with some other fixes mixed in.  All except the USB serial ids
 have been tested in linux-next, the id additions should be fine as they
 are "trivial".
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB fixes and new device ids for 4.6-rc3.

  Nothing major, the normal USB gadget fixes and usb-serial driver ids,
  along with some other fixes mixed in.  All except the USB serial ids
  have been tested in linux-next, the id additions should be fine as
  they are 'trivial'"

* tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
  USB: option: add "D-Link DWM-221 B1" device id
  USB: serial: cp210x: Adding GE Healthcare Device ID
  USB: serial: ftdi_sio: Add support for ICP DAS I-756xU devices
  usb: dwc3: keystone: drop dma_mask configuration
  usb: gadget: udc-core: remove manual dma configuration
  usb: dwc3: pci: add ID for one more Intel Broxton platform
  usb: renesas_usbhs: fix to avoid using a disabled ep in usbhsg_queue_done()
  usb: dwc2: do not override forced dr_mode in gadget setup
  usb: gadget: f_midi: unlock on error
  USB: digi_acceleport: do sanity checking for the number of ports
  USB: cypress_m8: add endpoint sanity check
  USB: mct_u232: add sanity checking in probe
  usb: fix regression in SuperSpeed endpoint descriptor parsing
  USB: usbip: fix potential out-of-bounds write
  usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer
  usb: renesas_usbhs: avoid NULL pointer derefernce in usbhsf_pkt_handler()
  usb: gadget: f_midi: Fixed a bug when buflen was smaller than wMaxPacketSize
  usb: phy: qcom-8x16: fix regulator API abuse
  usb: ch9: Fix SSP Device Cap wFunctionalitySupport type
  usb: gadget: composite: Access SSP Dev Cap fields properly
  ...
2016-04-09 12:23:02 -07:00
Linus Torvalds
c6e6e58cc8 Staging / IIO driver fixes for 4.6-rc3
Here are some IIO driver fixes, along with two staging driver fixes for
 4.6-rc3.
 
 One staging driver patch reverts the deletion of a driver that happened
 in 4.6-rc1.  We thought that laptop.org was dead, but it's still alive
 and kicking, and has users that were mad we broke their hardware by
 deleting a driver for their machines.  So that driver is added back and
 everyone is happy again.
 
 All of these have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver fixes from Greg KH:
 "Here are some IIO driver fixes, along with two staging driver fixes
  for 4.6-rc3.

  One staging driver patch reverts the deletion of a driver that
  happened in 4.6-rc1.  We thought that laptop.org was dead, but it's
  still alive and kicking, and has users that were mad we broke their
  hardware by deleting a driver for their machines.  So that driver is
  added back and everyone is happy again.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Revert "Staging: olpc_dcon: Remove obsolete driver"
  staging/rdma/hfi1: select CRC32
  iio: gyro: bmg160: fix buffer read values
  iio: gyro: bmg160: fix endianness when reading axes
  iio: accel: bmc150: fix endianness when reading axes
  iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
  iio: fix config watermark initial value
  iio: health: max30100: correct FIFO check condition
  iio: imu: Fix inv_mpu6050 dependencies
  iio: adc: Fix build error of missing devm_ioremap_resource on UM
  iio: light: apds9960: correct FIFO check condition
  iio: adc: max1363: correct reference voltage
  iio: adc: max1363: add missing adc to max1363_id
2016-04-09 12:09:37 -07:00
Linus Torvalds
fb41b4be00 SCSI fixes on 20160408
This is a set of 8 fixes.  Two are trivial gcc-6 updates (brace
 additions and unused variable removal).  There's a couple of cxlflash
 regressions, a correction for sd being overly chatty on revalidation
 (causing excess log increases).  A VPD issue which could crash USB
 devices because they seem very intolerant to VPD inquiries, an ALUA
 deadlock fix and a mpt3sas buffer overrun fix.
 
 Signed-off-by: James Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of eight fixes.

  Two are trivial gcc-6 updates (brace additions and unused variable
  removal).  There's a couple of cxlflash regressions, a correction for
  sd being overly chatty on revalidation (causing excess log increases).
  A VPD issue which could crash USB devices because they seem very
  intolerant to VPD inquiries, an ALUA deadlock fix and a mpt3sas buffer
  overrun fix"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: Do not attach VPD to devices that don't support it
  sd: Fix excessive capacity printing on devices with blocks bigger than 512 bytes
  scsi_dh_alua: Fix a recently introduced deadlock
  scsi: Declare local symbols static
  cxlflash: Move to exponential back-off when cmd_room is not available
  cxlflash: Fix regression issue with re-ordering patch
  mpt3sas: Don't overreach ioc->reply_post[] during initialization
  aacraid: add missing curly braces
2016-04-09 12:00:42 -07:00
Linus Torvalds
63b106a87d Merge tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD fixes from Shaohua Li:
 "This update mainly fixes bugs:

   - fix error handling (Guoqing)
   - fix a crash when a disk is hotremoved (me)
   - fix a dead loop (Wei Fang)"

* tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md/bitmap: clear bitmap if bitmap_create failed
  MD: add rdev reference for super write
  md: fix a trivial typo in comments
  md:raid1: fix a dead loop when read from a WriteMostly disk
2016-04-09 11:23:27 -07:00
Linus Torvalds
40bca9dbab Power management and ACPI material for v4.6-rc3
- intel_pstate fixes for two issues exposed by the recent switch
    over from using timers and for one issue introduced during the
    4.4 cycle plus new comments describing data structures used by
    the driver (Rafael Wysocki, Srinivas Pandruvada).
 
  - intel_idle fixes related to CPU offline/online (Richard Cochran).
 
  - intel_idle support (new CPU IDs and state definitions mostly) for
    Skylake-X and Kabylake processors (Len Brown).
 
  - PCC mailbox driver fix for an out-of-bounds memory access that
    may cause the kernel to panic() (Shanker Donthineni).
 
  - New (missing) CPU ID for one apparently overlooked Haswell model
    in the Intel RAPL power capping driver (Srinivas Pandruvada).
 
  - Fix for the PM core's wakeup IRQs framework to make it work after
    wakeup settings reconfiguration from sysfs (Grygorii Strashko).
 
  - Runtime PM documentation update to make it describe what needs
    to be done during device removal more precisely (Krzysztof
    Kozlowski).
 
  - Stale comment removal cleanup in the cpufreq-dt driver (Viresh
    Kumar).
 
  - turbostat utility fixes and support for Broxton, Skylake-X
    and Kabylake processors (Len Brown).
 
 /
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Merge tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "Fixes for some issues discovered after recent changes and for some
  that have just been found lately regardless of those changes
  (intel_pstate, intel_idle, PM core, mailbox/pcc, turbostat) plus
  support for some new CPU models (intel_idle, Intel RAPL driver,
  turbostat) and documentation updates (intel_pstate, PM core).

  Specifics:

   - intel_pstate fixes for two issues exposed by the recent switch over
     from using timers and for one issue introduced during the 4.4 cycle
     plus new comments describing data structures used by the driver
     (Rafael Wysocki, Srinivas Pandruvada).

   - intel_idle fixes related to CPU offline/online (Richard Cochran).

   - intel_idle support (new CPU IDs and state definitions mostly) for
     Skylake-X and Kabylake processors (Len Brown).

   - PCC mailbox driver fix for an out-of-bounds memory access that may
     cause the kernel to panic() (Shanker Donthineni).

   - New (missing) CPU ID for one apparently overlooked Haswell model in
     the Intel RAPL power capping driver (Srinivas Pandruvada).

   - Fix for the PM core's wakeup IRQs framework to make it work after
     wakeup settings reconfiguration from sysfs (Grygorii Strashko).

   - Runtime PM documentation update to make it describe what needs to
     be done during device removal more precisely (Krzysztof Kozlowski).

   - Stale comment removal cleanup in the cpufreq-dt driver (Viresh
     Kumar).

   - turbostat utility fixes and support for Broxton, Skylake-X and
     Kabylake processors (Len Brown)"

* tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (28 commits)
  PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs
  tools/power turbostat: work around RC6 counter wrap
  tools/power turbostat: initial KBL support
  tools/power turbostat: initial SKX support
  tools/power turbostat: decode BXT TSC frequency via CPUID
  tools/power turbostat: initial BXT support
  tools/power turbostat: print IRTL MSRs
  tools/power turbostat: SGX state should print only if --debug
  intel_idle: Add KBL support
  intel_idle: Add SKX support
  intel_idle: Clean up all registered devices on exit.
  intel_idle: Propagate hot plug errors.
  intel_idle: Don't overreact to a cpuidle registration failure.
  intel_idle: Setup the timer broadcast only on successful driver load.
  intel_idle: Avoid a double free of the per-CPU data.
  intel_idle: Fix dangling registration on error path.
  intel_idle: Fix deallocation order on the driver exit path.
  intel_idle: Remove redundant initialization calls.
  intel_idle: Fix a helper function's return value.
  intel_idle: remove useless return from void function.
  ...
2016-04-09 11:03:48 -07:00
Linus Torvalds
9ef11ceb0d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Stale SKB data pointer access across pskb_may_pull() calls in L2TP,
    from Haishuang Yan.

 2) Fix multicast frame handling in mac80211 AP code, from Felix
    Fietkau.

 3) mac80211 station hashtable insert errors not handled properly, fix
    from Johannes Berg.

 4) Fix TX descriptor count limit handling in e1000, from Alexander
    Duyck.

 5) Revert a buggy netdev refcount fix in netpoll, from Bjorn Helgaas.

 6) Must assign rtnl_link_ops of the device before registering it, fix
    in ip6_tunnel from Thadeu Lima de Souza Cascardo.

 7) Memory leak fix in tc action net exit, from WANG Cong.

 8) Add missing AF_KCM entries to name tables, from Dexuan Cui.

 9) Fix regression in GRE handling of csums wrt.  FOU, from Alexander
    Duyck.

10) Fix memory allocation alignment and congestion map corruption in
    RDS, from Shamir Rabinovitch.

11) Fix default qdisc regression in tuntap driver, from Jason Wang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
  bridge, netem: mark mailing lists as moderated
  tuntap: restore default qdisc
  mpls: find_outdev: check for err ptr in addition to NULL check
  ipv6: Count in extension headers in skb->network_header
  RDS: fix congestion map corruption for PAGE_SIZE > 4k
  RDS: memory allocated must be align to 8
  GRE: Disable segmentation offloads w/ CSUM and we are encapsulated via FOU
  net: add the AF_KCM entries to family name tables
  MAINTAINERS: intel-wired-lan list is moderated
  lib/test_bpf: Add additional BPF_ADD tests
  lib/test_bpf: Add test to check for result of 32-bit add that overflows
  lib/test_bpf: Add tests for unsigned BPF_JGT
  lib/test_bpf: Fix JMP_JSET tests
  VSOCK: Detach QP check should filter out non matching QPs.
  stmmac: fix adjust link call in case of a switch is attached
  af_packet: tone down the Tx-ring unsupported spew.
  net_sched: fix a memory leak in tc action
  samples/bpf: Enable powerpc support
  samples/bpf: Use llc in PATH, rather than a hardcoded value
  samples/bpf: Fix build breakage with map_perf_test_user.c
  ...
2016-04-09 10:50:44 -07:00
Linus Torvalds
839a3f7657 Merge branch 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "These are bug fixes, including a really old fsync bug, and a few trace
  points to help us track down problems in the quota code"

* 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix file/data loss caused by fsync after rename and new inode
  btrfs: Reset IO error counters before start of device replacing
  btrfs: Add qgroup tracing
  Btrfs: don't use src fd for printk
  btrfs: fallback to vmalloc in btrfs_compare_tree
  btrfs: handle non-fatal errors in btrfs_qgroup_inherit()
  btrfs: Output more info for enospc_debug mount option
  Btrfs: fix invalid reference in replace_path
  Btrfs: Improve FL_KEEP_SIZE handling in fallocate
2016-04-09 10:41:34 -07:00
Linus Torvalds
6759212640 Orangefs: cleanups and a strncpy vulnerability fix.
Cleanups:
 
   - remove an unused variable from orangefs_readdir.
   - clean up printk wrapper used for ofs "gossip" debugging.
   - clean up truncate ctime and mtime setting in inode.c
   - remove a useless null check found by coccinelle.
   - optimize some memcpy/memset boilerplate code.
   - remove some useless sanity checks from xattr.c
 
 Fix:
 
   - fix a potential strncpy vulnerability.
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Merge tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs fixes from Mike Marshall:
 "Orangefs cleanups and a strncpy vulnerability fix.

  Cleanups:
   - remove an unused variable from orangefs_readdir.
   - clean up printk wrapper used for ofs "gossip" debugging.
   - clean up truncate ctime and mtime setting in inode.c
   - remove a useless null check found by coccinelle.
   - optimize some memcpy/memset boilerplate code.
   - remove some useless sanity checks from xattr.c

  Fix:
   - fix a potential strncpy vulnerability"

* tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: remove unused variable
  orangefs: Add KERN_<LEVEL> to gossip_<level> macros
  orangefs: strncpy -> strscpy
  orangefs: clean up truncate ctime and mtime setting
  Orangefs: fix ifnullfree.cocci warnings
  Orangefs: optimize boilerplate code.
  Orangefs: xattr.c cleanup
2016-04-09 10:33:58 -07:00
Linus Torvalds
1a59c53920 IOMMU Fixes for Linux v4.6-rc2 with:
- Compile-time fixes (warnings and failures)
 
  - A bug in iommu core code which could cause the group->domain pointer
    to be falsly cleared
 
  - Fix in scatterlist handling of the ARM common DMA-API code
 
  - Stall detection fix for the Rockchip IOMMU driver
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Merge tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:

 - compile-time fixes (warnings and failures)

 - a bug in iommu core code which could cause the group->domain pointer
   to be falsly cleared

 - fix in scatterlist handling of the ARM common DMA-API code

 - stall detection fix for the Rockchip IOMMU driver

* tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Silence an uninitialized variable warning
  iommu/rockchip: Fix "is stall active" check
  iommu: Don't overwrite domain pointer when there is no default_domain
  iommu/dma: Restore scatterlist offsets correctly
  iommu: provide of_xlate pointer unconditionally
2016-04-09 10:23:45 -07:00
John Allen
498cd8e495 ibmvnic: Enable use of multiple tx/rx scrqs
Enables the use of multiple transmit and receive scrqs allowing the ibmvnic
driver to take advantage of multiqueue functionality. To achieve this, the
driver must implement the process of negotiating the maximum number of
queues allowed by the server. Initially, the driver will attempt to login
with the maximum number of tx and rx queues supported by the server. If
the server fails to allocate the requested number of scrqs, it will return
partial success in the login response. In this case, we must reinitiate
the login process from the request capabilities stage and attempt to login
requesting fewer scrqs.

Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-09 00:02:41 -04:00
Greg Kroah-Hartman
636c8a8d85 USB-serial fixes for v4.6-rc3
Here are some new device ids.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.6-rc3

Here are some new device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
2016-04-08 15:41:58 -07:00
David S. Miller
e013b7780c Merge branch 'dsa-voidify-ops'
Vivien Didelot says:

====================
net: dsa: voidify STP setter and FDB/VLAN add ops

Neither the DSA layer nor the bridge code (see br_set_state) really care
about eventual errors from STP state setters, so make it void.

The DSA layer separates the prepare and commit phases of switchdev in
two different functions. Logical errors must not happen in commit
routines, so make them void.

Changes v1 -> v2:
  - rename port_stp_update to port_stp_state_set
  - don't change code flow of bcm_sf2_sw_br_set_stp_state
  - prefer netdev_err over netdev_warn
====================

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:51:15 -04:00
Vivien Didelot
4d5770b397 net: dsa: make the VLAN add function return void
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.

The DSA layer separates port_vlan_prepare and port_vlan_add for
simplicity and convenience. If an hardware error occurs during the
commit phase, there is no need to report it outside the driver itself.

Make the DSA port_vlan_add routine return void for explicitness.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:41 -04:00
Vivien Didelot
8497aa618d net: dsa: make the FDB add function return void
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.

The DSA layer separates port_fdb_prepare and port_fdb_add for simplicity
and convenience. If an hardware error occurs during the commit phase,
there is no need to report it outside the DSA driver itself.

Make the DSA port_fdb_add routine return void for explicitness.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:40 -04:00
Vivien Didelot
43c44a9f65 net: dsa: make the STP state function return void
The DSA layer doesn't care about the return code of the port_stp_update
routine, so make it void in the layer and the DSA drivers.

Replace the useless dsa_slave_stp_update function with a
dsa_slave_stp_state function used to reply to the switchdev
SWITCHDEV_ATTR_ID_PORT_STP_STATE attribute.

In the meantime, rename port_stp_update to port_stp_state_set to
explicit the state change.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:40 -04:00
Vivien Didelot
f453939c1a net: dsa: document missing functions
Add description for the missing port_vlan_prepare, port_fdb_prepare,
port_fdb_dump functions in the DSA documentation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:02 -04:00
David S. Miller
1089ac6977 For the 4.6 cycle, we have a number of changes:
* Bob's mesh mode rhashtable conversion, this includes
    the rhashtable API change for allocation flags
  * BSSID scan, connect() command reassoc support (Jouni)
  * fast (optimised data only) and support for RSS in mac80211 (myself)
  * various smaller changes
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Merge tag 'mac80211-next-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
For the 4.7 cycle, we have a number of changes:
 * Bob's mesh mode rhashtable conversion, this includes
   the rhashtable API change for allocation flags
 * BSSID scan, connect() command reassoc support (Jouni)
 * fast (optimised data only) and support for RSS in mac80211 (myself)
 * various smaller changes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:42:31 -04:00
David S. Miller
30d237a6c2 For the current RC series, we have the following fixes:
* TDLS fixes from Arik and Ilan
  * rhashtable fixes from Ben and myself
  * documentation fixes from Luis
  * U-APSD fixes from Emmanuel
  * a TXQ fix from Felix
  * and a compiler warning suppression from Jeff
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Merge tag 'mac80211-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
For the current RC series, we have the following fixes:
 * TDLS fixes from Arik and Ilan
 * rhashtable fixes from Ben and myself
 * documentation fixes from Luis
 * U-APSD fixes from Emmanuel
 * a TXQ fix from Felix
 * and a compiler warning suppression from Jeff
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:41:28 -04:00
stephen hemminger
3430284fea bridge, netem: mark mailing lists as moderated
I moderate these (lightly loaded) lists to block spam.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:32:52 -04:00