Commit Graph

3852 Commits

Author SHA1 Message Date
Minchan Kim
48b4800a1c zsmalloc: page migration support
This patch introduces run-time migration feature for zspage.

For migration, VM uses page.lru field so it would be better to not use
page.next field which is unified with page.lru for own purpose.  For
that, firstly, we can get first object offset of the page via runtime
calculation instead of using page.index so we can use page.index as link
for page chaining instead of page.next.

In case of huge object, it stores handle to page.index instead of next
link of page chaining because huge object doesn't need to next link for
page chaining.  So get_next_page need to identify huge object to return
NULL.  For it, this patch uses PG_owner_priv_1 flag of the page flag.

For migration, it supports three functions

* zs_page_isolate

It isolates a zspage which includes a subpage VM want to migrate from
class so anyone cannot allocate new object from the zspage.

We could try to isolate a zspage by the number of subpage so subsequent
isolation trial of other subpage of the zpsage shouldn't fail.  For
that, we introduce zspage.isolated count.  With that, zs_page_isolate
can know whether zspage is already isolated or not for migration so if
it is isolated for migration, subsequent isolation trial can be
successful without trying further isolation.

* zs_page_migrate

First of all, it holds write-side zspage->lock to prevent migrate other
subpage in zspage.  Then, lock all objects in the page VM want to
migrate.  The reason we should lock all objects in the page is due to
race between zs_map_object and zs_page_migrate.

  zs_map_object				zs_page_migrate

  pin_tag(handle)
  obj = handle_to_obj(handle)
  obj_to_location(obj, &page, &obj_idx);

					write_lock(&zspage->lock)
					if (!trypin_tag(handle))
						goto unpin_object

  zspage = get_zspage(page);
  read_lock(&zspage->lock);

If zs_page_migrate doesn't do trypin_tag, zs_map_object's page can be
stale by migration so it goes crash.

If it locks all of objects successfully, it copies content from old page
to new one, finally, create new zspage chain with new page.  And if it's
last isolated subpage in the zspage, put the zspage back to class.

* zs_page_putback

It returns isolated zspage to right fullness_group list if it fails to
migrate a page.  If it find a zspage is ZS_EMPTY, it queues zspage
freeing to workqueue.  See below about async zspage freeing.

This patch introduces asynchronous zspage free.  The reason to need it
is we need page_lock to clear PG_movable but unfortunately, zs_free path
should be atomic so the apporach is try to grab page_lock.  If it got
page_lock of all of pages successfully, it can free zspage immediately.
Otherwise, it queues free request and free zspage via workqueue in
process context.

If zs_free finds the zspage is isolated when it try to free zspage, it
delays the freeing until zs_page_putback finds it so it will free free
the zspage finally.

In this patch, we expand fullness_list from ZS_EMPTY to ZS_FULL.  First
of all, it will use ZS_EMPTY list for delay freeing.  And with adding
ZS_FULL list, it makes to identify whether zspage is isolated or not via
list_empty(&zspage->list) test.

[minchan@kernel.org: zsmalloc: keep first object offset in struct page]
  Link: http://lkml.kernel.org/r/1465788015-23195-1-git-send-email-minchan@kernel.org
[minchan@kernel.org: zsmalloc: zspage sanity check]
  Link: http://lkml.kernel.org/r/20160603010129.GC3304@bbox
Link: http://lkml.kernel.org/r/1464736881-24886-12-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-26 16:19:19 -07:00
Minchan Kim
b1123ea6d3 mm: balloon: use general non-lru movable page feature
Now, VM has a feature to migrate non-lru movable pages so balloon
doesn't need custom migration hooks in migrate.c and compaction.c.

Instead, this patch implements the page->mapping->a_ops->
{isolate|migrate|putback} functions.

With that, we could remove hooks for ballooning in general migration
functions and make balloon compaction simple.

[akpm@linux-foundation.org: compaction.h requires that the includer first include node.h]
Link: http://lkml.kernel.org/r/1464736881-24886-4-git-send-email-minchan@kernel.org
Signed-off-by: Gioh Kim <gi-oh.kim@profitbricks.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-26 16:19:19 -07:00
Parthasarathy Bhuvaragan
cf6f7e1d51 tipc: dump monitor attributes
In this commit, we dump the monitor attributes when queried.
The link monitor attributes are separated into two kinds:
1. general attributes per bearer
2. specific attributes per node/peer
This style resembles the socket attributes and the nametable
publications per socket.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-26 14:26:42 -07:00
Parthasarathy Bhuvaragan
bf1035b2ff tipc: get monitor threshold for the cluster
In this commit, we add support to fetch the configured
cluster monitoring threshold.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-26 14:26:42 -07:00
Parthasarathy Bhuvaragan
7b3f522964 tipc: make cluster size threshold for monitoring configurable
In this commit, we introduce support to configure the minimum
threshold to activate the new link monitoring algorithm.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-26 14:26:42 -07:00
Parthasarathy Bhuvaragan
9ff26e9fab tipc: introduce constants for tipc address validation
In this commit, we introduce defines for tipc address size,
offset and mask specification for Zone.Cluster.Node.
There is no functional change in this commit.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-26 14:26:42 -07:00
Linus Torvalds
bbce2ad2d7 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 4.8:

  API:
   - first part of skcipher low-level conversions
   - add KPP (Key-agreement Protocol Primitives) interface.

  Algorithms:
   - fix IPsec/cryptd reordering issues that affects aesni
   - RSA no longer does explicit leading zero removal
   - add SHA3
   - add DH
   - add ECDH
   - improve DRBG performance by not doing CTR by hand

  Drivers:
   - add x86 AVX2 multibuffer SHA256/512
   - add POWER8 optimised crc32c
   - add xts support to vmx
   - add DH support to qat
   - add RSA support to caam
   - add Layerscape support to caam
   - add SEC1 AEAD support to talitos
   - improve performance by chaining requests in marvell/cesa
   - add support for Araneus Alea I USB RNG
   - add support for Broadcom BCM5301 RNG
   - add support for Amlogic Meson RNG
   - add support Broadcom NSP SoC RNG"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (180 commits)
  crypto: vmx - Fix aes_p8_xts_decrypt build failure
  crypto: vmx - Ignore generated files
  crypto: vmx - Adding support for XTS
  crypto: vmx - Adding asm subroutines for XTS
  crypto: skcipher - add comment for skcipher_alg->base
  crypto: testmgr - Print akcipher algorithm name
  crypto: marvell - Fix wrong flag used for GFP in mv_cesa_dma_add_iv_op
  crypto: nx - off by one bug in nx_of_update_msc()
  crypto: rsa-pkcs1pad - fix rsa-pkcs1pad request struct
  crypto: scatterwalk - Inline start/map/done
  crypto: scatterwalk - Remove unnecessary BUG in scatterwalk_start
  crypto: scatterwalk - Remove unnecessary advance in scatterwalk_pagedone
  crypto: scatterwalk - Fix test in scatterwalk_done
  crypto: api - Optimise away crypto_yield when hard preemption is on
  crypto: scatterwalk - add no-copy support to copychunks
  crypto: scatterwalk - Remove scatterwalk_bytes_sglen
  crypto: omap - Stop using crypto scatterwalk_bytes_sglen
  crypto: skcipher - Remove top-level givcipher interface
  crypto: user - Remove crypto_lookup_skcipher call
  crypto: cts - Convert to skcipher
  ...
2016-07-26 13:40:17 -07:00
Hans van Kranenburg
7af7c616fa Btrfs: use the correct struct for BTRFS_IOC_LOGICAL_INO
BTRFS_IOC_LOGICAL_INO takes a btrfs_ioctl_logical_ino_args as argument,
not a btrfs_ioctl_ino_path_args. The lines were probably copy/pasted
when the code was written.

Since btrfs_ioctl_logical_ino_args and btrfs_ioctl_ino_path_args have
the same size, the actual IOCTL definition here does not change.

But, it makes the code less confusing for the reader.

Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26 13:52:25 +02:00
Dave Airlie
5e580523d9 Linux 4.7
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJXlRXSAAoJEHm+PkMAQRiGG/gH/0Z8O4zWOsrwO+X1mRToRDBH
 joFOjAmCVe83T1VpF5LYNB+9+owL/dEDt6+ZIswnhH7AfQPjs4RqwS4PcuMbCDVO
 +mDm0PmfcKaYcQZrB2Z2OwIzRNnfCTVcsDPhIHwuIHk0m4z/xuGZonD8KoAj0+tO
 3yJF6sbE1KubDVjOb+lmZZSP3cXA0pDXrNhkYhE4Tsr8fiihGjeXSNJ8t2zPLjxo
 W3MPqo0rzDvQsOwoF4TWHHagVaFSJlhLBBgqu33fI7uO3jtfQD2G8wG68JCND1j3
 qbMoBfTLFV/yQmSIJUt0Wv1axaCcwnjpweEB35A/GEeZ0mNB1rDdoBeI1eKEQkc=
 =DGFC
 -----END PGP SIGNATURE-----

Backmerge tag 'v4.7' into drm-next

Linux 4.7

As requested by Daniel Vetter as the conflicts were getting messy.
2016-07-26 17:26:29 +10:00
Sargun Dhillon
96ae522795 bpf: Add bpf_probe_write_user BPF helper to be called in tracers
This allows user memory to be written to during the course of a kprobe.
It shouldn't be used to implement any kind of security mechanism
because of TOC-TOU attacks, but rather to debug, divert, and
manipulate execution of semi-cooperative processes.

Although it uses probe_kernel_write, we limit the address space
the probe can write into by checking the space with access_ok.
We do this as opposed to calling copy_to_user directly, in order
to avoid sleeping. In addition we ensure the threads's current fs
/ segment is USER_DS and the thread isn't exiting nor a kernel thread.

Given this feature is meant for experiments, and it has a risk of
crashing the system, and running programs, we print a warning on
when a proglet that attempts to use this helper is installed,
along with the pid and process name.

Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25 18:07:48 -07:00
Linus Torvalds
7e4dc77b28 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "With over 300 commits it's been a busy cycle - with most of the work
  concentrated on the tooling side (as it should).

  The main kernel side enhancements were:

   - Add per event callchain limit: Recently we introduced a sysctl to
     tune the max-stack for all events for which callchains were
     requested:

       $ sysctl kernel.perf_event_max_stack
       kernel.perf_event_max_stack = 127

     Now this patch introduces a way to configure this per event, i.e.
     this becomes possible:

       $ perf record -e sched:*/max-stack=2/ -e block:*/max-stack=10/ -a

     allowing finer tuning of how much buffer space callchains use.

     This uses an u16 from the reserved space at the end, leaving
     another u16 for future use.

     There has been interest in even finer tuning, namely to control the
     max stack for kernel and userspace callchains separately.  Further
     discussion is needed, we may for instance use the remaining u16 for
     that and when it is present, assume that the sample_max_stack
     introduced in this patch applies for the kernel, and the u16 left
     is used for limiting the userspace callchain (Arnaldo Carvalho de
     Melo)

   - Optimize AUX event (hardware assisted side-band event) delivery
     (Kan Liang)

   - Rework Intel family name macro usage (this is partially x86 arch
     work) (Dave Hansen)

   - Refine and fix Intel LBR support (David Carrillo-Cisneros)

   - Add support for Intel 'TopDown' events (Andi Kleen)

   - Intel uncore PMU driver fixes and enhancements (Kan Liang)

   - ... other misc changes.

  Here's an incomplete list of the tooling enhancements (but there's
  much more, see the shortlog and the git log for details):

   - Support cross unwinding, i.e.  collecting '--call-graph dwarf'
     perf.data files in one machine and then doing analysis in another
     machine of a different hardware architecture.  This enables, for
     instance, to do:

       $ perf record -a --call-graph dwarf

     on a x86-32 or aarch64 system and then do 'perf report' on it on a
     x86_64 workstation (He Kuang)

   - Allow reading from a backward ring buffer (one setup via
     sys_perf_event_open() with perf_event_attr.write_backward = 1)
     (Wang Nan)

   - Finish merging initial SDT (Statically Defined Traces) support, see
     cset comments for details about how it all works (Masami Hiramatsu)

   - Support attaching eBPF programs to tracepoints (Wang Nan)

   - Add demangling of symbols in programs written in the Rust language
     (David Tolnay)

   - Add support for tracepoints in the python binding, including an
     example, that sets up and parses sched:sched_switch events,
     tools/perf/python/tracepoint.py (Jiri Olsa)

   - Introduce --stdio-color to set up the color output mode selection
     in 'annotate' and 'report', allowing emit color escape sequences
     when redirecting the output of these tools (Arnaldo Carvalho de
     Melo)

   - Add 'callindent' option to 'perf script -F', to indent the Intel PT
     call stack, making this output more ftrace-like (Adrian Hunter,
     Andi Kleen)

   - Allow dumping the object files generated by llvm when processing
     eBPF scriptlet events (Wang Nan)

   - Add stackcollapse.py script to help generating flame graphs (Paolo
     Bonzini)

   - Add --ldlat option to 'perf mem' to specify load latency for loads
     event (e.g. cpu/mem-loads/ ) (Jiri Olsa)

   - Tooling support for Intel TopDown counters, recently added to the
     kernel (Andi Kleen)"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (303 commits)
  perf tests: Add is_printable_array test
  perf tools: Make is_printable_array global
  perf script python: Fix string vs byte array resolving
  perf probe: Warn unmatched function filter correctly
  perf cpu_map: Add more helpers
  perf stat: Balance opening and reading events
  tools: Copy linux/{hash,poison}.h and check for drift
  perf tools: Remove include/linux/list.h from perf's MANIFEST
  tools: Copy the bitops files accessed from the kernel and check for drift
  Remove: kernel unistd*h files from perf's MANIFEST, not used
  perf tools: Remove tools/perf/util/include/linux/const.h
  perf tools: Remove tools/perf/util/include/asm/byteorder.h
  perf tools: Add missing linux/compiler.h include to perf-sys.h
  perf jit: Remove some no-op error handling
  perf jit: Add missing curly braces
  objtool: Initialize variable to silence old compiler
  objtool: Add -I$(srctree)/tools/arch/$(ARCH)/include/uapi
  perf record: Add --tail-synthesize option
  perf session: Don't warn about out of order event if write_backward is used
  perf tools: Enable overwrite settings
  ...
2016-07-25 13:20:41 -07:00
Davide Caratti
2ccbe2cb79 macsec: limit ICV length to 16 octets
IEEE 802.1AE-2006 standard recommends that the ICV element in a MACsec
frame should not exceed 16 octets: add MACSEC_STD_ICV_LEN in uapi
definitions accordingly, and avoid accepting configurations where the ICV
length exceeds the standard value. Leave definition of MACSEC_MAX_ICV_LEN
unchanged for backwards compatibility with userspace programs.

Fixes: dece8d2b78 ("uapi: add MACsec bits")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25 10:55:39 -07:00
David Vrabel
fbc872c38c xen/evtchn: add IOCTL_EVTCHN_RESTRICT
IOCTL_EVTCHN_RESTRICT limits the file descriptor to being able to bind
to interdomain event channels from a specific domain.  Event channels
that are already bound continue to work for sending and receiving
notifications.

This is useful as part of deprivileging a user space PV backend or
device model (QEMU).  e.g., Once the device model as bound to the
ioreq server event channels it can restrict the file handle so an
exploited DM cannot use it to create or bind to arbitrary event
channels.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2016-07-25 10:59:31 +01:00
Yotam Gigi
b87f7936a9 net/sched: Add match-all classifier hw offloading.
Following the work that have been done on offloading classifiers like u32
and flower, now the match-all classifier hw offloading is possible. if
the interface supports tc offloading.

To control the offloading, two tc flags have been introduced: skip_sw and
skip_hw. Typical usage:

tc filter add dev eth25 parent ffff: 	\
	matchall skip_sw		\
	action mirred egress mirror	\
	dev eth27

Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-24 23:11:59 -07:00
Jiri Pirko
bf3994d2ed net/sched: introduce Match-all classifier
The matchall classifier matches every packet and allows the user to apply
actions on it. This filter is very useful in usecases where every packet
should be matched, for example, packet mirroring (SPAN) can be setup very
easily using that filter.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-24 23:11:59 -07:00
Linus Torvalds
25a0dc4be8 Staging / IIO driver update for 4.8-rc1
Here is the big Staging and IIO driver update for 4.8-rc1.
 
 We ended up adding more code than removing, again, but it's not all that
 bad.  Lots of cleanups all over the staging tree, and new IIO drivers,
 full details in the shortlog.
 
 All of these have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iFYEABECABYFAleVPQQPHGdyZWdAa3JvYWguY29tAAoJEDFH1A3bLfsplRgAniG6
 jfPnvlHhl70T5HsGJzrc7VS9AKCBQ5x0gzTNxo2nnGfPmR8CVEH7Bg==
 =0/6X
 -----END PGP SIGNATURE-----

Merge tag 'staging-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver updates from Greg KH:
 "Here is the big Staging and IIO driver update for 4.8-rc1.

  We ended up adding more code than removing, again, but it's not all
  that bad.  Lots of cleanups all over the staging tree, and new IIO
  drivers, full details in the shortlog.

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

* tag 'staging-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (417 commits)
  drivers:iio:accel:mma8452: removed unwanted return statements
  drivers:iio:accel:mma8452: added cleanup provision in case of failure.
  iio: Add iio.git tree to MAINTAINERS
  iio:st_pressure: clean useless static channel initializers
  iio:st_pressure:lps22hb: temperature support
  iio:st_pressure:lps22hb: open drain support
  iio:st_pressure: temperature triggered buffering
  iio:st_pressure: document sampling gains
  iio:st_pressure: align storagebits on power of 2
  iio:st_sensors: align on storagebits boundaries
  staging:iio:lis3l02dq drop separate driver
  iio: accel: st_accel: Add lis3l02dq support
  iio: adc: add missing of_node references to iio_dev
  iio: adc: ti-ads1015: add indio_dev->dev.of_node reference
  iio: potentiometer: Fix typo in Kconfig
  iio: potentiometer: mcp4531: Add device tree binding
  iio: potentiometer: mcp4531: Add device tree binding documentation
  iio: potentiometer: mcp4531: Add support for MCP454x, MCP456x, MCP464x and MCP466x
  iio:imu:mpu6050: icm20608 initial support
  iio: adc: max1363: Add device tree binding
  ...
2016-07-24 16:55:23 -07:00
Dan Williams
0606263f24 Merge branch 'for-4.8/libnvdimm' into libnvdimm-for-next 2016-07-24 08:05:44 -07:00
David S. Miller
de0ba9a0d8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just several instances of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-24 00:53:32 -04:00
Mauro Carvalho Chehab
c278256d05 Merge branch 'patchwork' into topic/docs-next
* patchwork: (1492 commits)
  [media] cec: always check all_device_types and features
  [media] cec: poll should check if there is room in the tx queue
  [media] vivid: support monitor all mode
  [media] cec: fix test for unconfigured adapter in main message loop
  [media] cec: limit the size of the transmit queue
  [media] cec: zero unused msg part after msg->len
  [media] cec: don't set fh to NULL in CEC_TRANSMIT
  [media] cec: clear all status fields before transmit and always fill in sequence
  [media] cec: CEC_RECEIVE overwrote the timeout field
  [media] cxd2841er: Reading SNR for DVB-C added
  [media] cxd2841er: Reading BER and UCB for DVB-C added
  [media] cxd2841er: fix switch-case for DVB-C
  [media] cxd2841er: fix signal strength scale for ISDB-T
  [media] cxd2841er: adjust the dB scale for DVB-C
  [media] cxd2841er: provide signal strength for DVB-C
  [media] cxd2841er: fix BER report via DVBv5 stats API
  [media] mb86a20s: apply mask to val after checking for read failure
  [media] airspy: fix error logic during device register
  [media] s5p-cec/TODO: add TODO item
  [media] cec/TODO: drop comment about sphinx documentation
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-23 07:59:19 -03:00
Radim Krčmář
912902ce78 KVM/ARM changes for Linux 4.8
- GICv3 ITS emulation
 - Simpler idmap management that fixes potential TLB conflicts
 - Honor the kernel protection in HYP mode
 - Removal of the old vgic implementation
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJXkk6wAAoJECPQ0LrRPXpDkIQP/iJ2yXTxrfbJoyaVq1vuMn3R
 UFhVwNXP8OEjQrmp5lvMBazB1MRBkNDzlVXL1fSb+ijKmbIELOqHhO6ijrkK4zmc
 0Ie0x5Bt4gIFPTZyZORVpy1eU/0YFGWERAfsAjYdMCeKwHjaUCRSrZBXF2YsFTfo
 Hh/ILvHa8TjUXWsQXvtZCL6AAnkDKBsbDWqsq5zspuT+PA8umI+dGLIiULXBpc4t
 S2TCDxOU1JgsAn+Y0XVbPXV9id+bs5LRd6nNH/RmipIVqWmukSrScXOjg/po/l2S
 laO4tHmyEeN6ecnCxWttpjacNwyTDNh5n3lL1ceBnBZFqn1k/7NjqV3fQzJxGd1T
 1U6edE9+EuS9uXWF5XcEuAD660EiMs4FLVSjPgqYQtto3gOHilmuWL9eeeOOgCem
 Lknnu/7G8h36PaQuLnEXWXQb7jeS2rTuC0RqxCG62gD9UWEJTckRz5pRh/e6gz7n
 ZVXMrwGiVZ3zR78qE6i2j5CZ6A0BMAK3nZ85AI3kmgKg0CfVY28uPOj8llAOaYm+
 0XVdfRj7ed75eu3GobjHUyZ0fQ40jovmH2vy3mupBm5XBUHgH/j6X510KJ1UTLWI
 C2EO9KogbjoVeu60mQi4bKGSPi8/wdgYqVft/Qzl5D5iFvQ7Ia+TQNMArCQazBID
 Ihe1E09NGrHjV3Yw/GWV
 =2Del
 -----END PGP SIGNATURE-----

Merge tag 'kvm-arm-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into next

KVM/ARM changes for Linux 4.8

- GICv3 ITS emulation
- Simpler idmap management that fixes potential TLB conflicts
- Honor the kernel protection in HYP mode
- Removal of the old vgic implementation
2016-07-22 20:27:26 +02:00
Eric Auger
76a10b8678 KVM: api: Pass the devid in the msi routing entry
On ARM, the MSI msg (address and data) comes along with
out-of-band device ID information. The device ID encodes the
device that writes the MSI msg. Let's convey the device id in
kvm_irq_routing_msi and use KVM_MSI_VALID_DEVID flag value in
kvm_irq_routing_entry to indicate the msi devid is populated.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-07-22 18:51:49 +01:00
Toshi Kani
545ed20e6d dm: add infrastructure for DAX support
Change mapped device to implement direct_access function,
dm_blk_direct_access(), which calls a target direct_access function.
'struct target_type' is extended to have target direct_access interface.
This function limits direct accessible size to the dm_target's limit
with max_io_len().

Add dm_table_supports_dax() to iterate all targets and associated block
devices to check for DAX support.  To add DAX support to a DM target the
target must only implement the direct_access function.

Add a new dm type, DM_TYPE_DAX_BIO_BASED, which indicates that mapped
device supports DAX and is bio based.  This new type is used to assure
that all target devices have DAX support and remain that way after
QUEUE_FLAG_DAX is set in mapped device.

At initial table load, QUEUE_FLAG_DAX is set to mapped device when setting
DM_TYPE_DAX_BIO_BASED to the type.  Any subsequent table load to the
mapped device must have the same type, or else it fails per the check in
table_load().

Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-07-20 23:49:49 -04:00
Daniel Borkmann
b02b94b331 bpf, elf: add official ELF machine define for eBPF
Add the official BPF ELF e_machine value that was assigned recently [1,2]
and will be propagated to glibc, et al. LLVM is switching to it in 3.9
release.

  [1] 36b9c09330
  [2] http://lists.iovisor.org/pipermail/iovisor-dev/2016-June/000266.html

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-20 12:37:39 -07:00
Brenden Blanco
6ce96ca348 bpf: add XDP_TX xdp_action for direct forwarding
XDP enabled drivers must transmit received packets back out on the same
port they were received on when a program returns this action.

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-19 21:46:32 -07:00
Brenden Blanco
d1fdd91386 rtnl: add option for setting link xdp prog
Sets the bpf program represented by fd as an early filter in the rx path
of the netdev. The fd must have been created as BPF_PROG_TYPE_XDP.
Providing a negative value as fd clears the program. Getting the fd back
via rtnl is not possible, therefore reading of this value merely
provides a bool whether the program is valid on the link or not.

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-19 21:46:32 -07:00
Brenden Blanco
6a773a15a1 bpf: add XDP prog type for early driver filter
Add a new bpf prog type that is intended to run in early stages of the
packet rx path. Only minimal packet metadata will be available, hence a
new context type, struct xdp_md, is exposed to userspace. So far only
expose the packet start and end pointers, and only in read mode.

An XDP program must return one of the well known enum values, all other
return codes are reserved for future use. Unfortunately, this
restriction is hard to enforce at verification time, so take the
approach of warning at runtime when such programs are encountered. Out
of bounds return codes should alias to XDP_ABORTED.

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-19 21:46:31 -07:00
Gavin Shan
6389eaa7fa net/ncsi: NCSI command packet handler
The NCSI command packets are sent from MC (Management Controller)
to remote end. They are used for multiple purposes: probe existing
NCSI package/channel, retrieve NCSI channel's capability, configure
NCSI channel etc.

This defines struct to represent NCSI command packets and introduces
function ncsi_xmit_cmd(), which will be used to transmit NCSI command
packet according to the request. The request is represented by struct
ncsi_cmd_arg.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-19 20:49:16 -07:00
Daniel Vetter
2383050f6a Merge remote-tracking branch 'airlied/drm-next' into topic/drm-misc
Backmerge drm-next to be able to apply Chris' connector_unregister_all
cleanup (need latest i915 and sun4i state for that).

Also there's a trivial conflict in ttm_bo.c that git rerere fails to
remember.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2016-07-19 09:27:29 +02:00
Andre Przywara
1085fdc68c KVM: arm64: vgic-its: Introduce new KVM ITS device
Introduce a new KVM device that represents an ARM Interrupt Translation
Service (ITS) controller. Since there can be multiple of this per guest,
we can't piggy back on the existing GICv3 distributor device, but create
a new type of KVM device.
On the KVM_CREATE_DEVICE ioctl we allocate and initialize the ITS data
structure and store the pointer in the kvm_device data.
Upon an explicit init ioctl from userland (after having setup the MMIO
address) we register the handlers with the kvm_io_bus framework.
Any reference to an ITS thus has to go via this interface.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-07-18 18:14:35 +01:00
Andre Przywara
2b8ddd9337 KVM: Extend struct kvm_msi to hold a 32-bit device ID
The ARM GICv3 ITS MSI controller requires a device ID to be able to
assign the proper interrupt vector. On real hardware, this ID is
sampled from the bus. To be able to emulate an ITS controller, extend
the KVM MSI interface to let userspace provide such a device ID. For
PCI devices, the device ID is simply the 16-bit bus-device-function
triplet, which should be easily available to the userland tool.

Also there is a new KVM capability which advertises whether the
current VM requires a device ID to be set along with the MSI data.
This flag is still reported as not available everywhere, later we will
enable it when ITS emulation is used.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-07-18 18:10:21 +01:00
David Hildenbrand
6502a34cfd KVM: s390: allow user space to handle instr 0x0000
We will use illegal instruction 0x0000 for handling 2 byte sw breakpoints
from user space. As it can be enabled dynamically via a capability,
let's move setting of ICTL_OPEREXC to the post creation step, so we avoid
any races when enabling that capability just while adding new cpus.

Acked-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2016-07-18 14:15:00 +02:00
Chris Wilson
4077798484 drm/vgem: Attach sw fences to exported vGEM dma-buf (ioctl)
vGEM buffers are useful for passing data between software clients and
hardware renders. By allowing the user to create and attach fences to
the exported vGEM buffers (on the dma-buf), the user can implement a
deferred renderer and queue hardware operations like flipping and then
signal the buffer readiness (i.e. this allows the user to schedule
operations out-of-order, but have them complete in-order).

This also makes it much easier to write tightly controlled testcases for
dma-buf fencing and signaling between hardware drivers.

v2: Don't pretend the fences exist in an ordered timeline, but allocate
a separate fence-context for each fence so that the fences are
unordered.
v3: Make the debug output more interesting, and show the signaled status.
v4: Automatically signal the fence to prevent userspace from
indefinitely hanging drivers.

Testcase: igt/vgem_basic/dmabuf-fence
Testcase: igt/vgem_slow/nohang
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Zach Reizner <zachr@google.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Zach Reizner <zachr@google.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1468571471-12610-1-git-send-email-chris@chris-wilson.co.uk
2016-07-18 08:54:55 +02:00
Rob Clark
4cd33c48ea drm/msm: add madvise ioctl
Doesn't do anything too interesting until we wire up shrinker.  Pretty
much lifted from i915.

Signed-off-by: Rob Clark <robdclark@gmail.com>
2016-07-16 10:09:05 -04:00
Dave Airlie
2d635fded2 This pull request brings in vc4 shader validation for branching,
allowing GLSL shaders with non-unrolled loops.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABCgAGBQJXiWHaAAoJELXWKTbR/J7olkkP/3buVvzBdxQmT7yMeBL2Up+F
 MZ+W/pr7+gWXT/rvyY8zbEZV1txQtZDnvu8cC3h9E66TVYpTx3dYypECwiRKFt5f
 HXhrkiniu65zBPhtYxloswcr686SpFOhr9rwy6cJbCCvuZQZVpQ41Fu7BinaYJc2
 uGllnNmRkB7tPG/6BYQ/MAWvR7AjTaaAmcdhNZDyEHqXHiUu8NPprL0BQIwS1GMn
 65pQjni/WEek6/WxncxszaDWfsLMRJPKiuPV4kAsoQDluB3ortk3k1VVNJ+n3aXw
 GjlMNbU2ganEGWJS16e7HXXz3I19SQHn5mnL74X3GGL8r2x9AIZ64Zk7Ru659NBq
 CW/NsSWM/TfU6T4iflbZjSVlmtbvdX5T0rDFb+lMFNXG8EvmRIc3fkbSeh6gF9sF
 hc3UDS3ScQBAm8QOpDiVAsXNBGJUTsvxdDYgVUj1mjPtbD1ZDmEWYdb2fzs/n7ja
 qU/CW9Ap3tModkTjaD58RoenTkbTXymhxmRd1JHoxVztkAM00fNxtGP6fTxuGLOW
 snOoE9Ahdq/IzV/yZrqvWRCLTDenQ/ZxcP+fYleJ6M3qLxfHkgZX/chy/n21Q80G
 Qe40uqBWreTCz6SzCEOXeaJ9RDbZfSomVfWuLzm5IGMhOmh1rqkpdgAUKQW7OvxB
 e/LnruAmY/K7Yin87gK6
 =Qh0U
 -----END PGP SIGNATURE-----

Merge tag 'drm-vc4-next-2016-07-15' of https://github.com/anholt/linux into drm-next

This pull request brings in vc4 shader validation for branching,
allowing GLSL shaders with non-unrolled loops.

* tag 'drm-vc4-next-2016-07-15' of https://github.com/anholt/linux:
  drm/vc4: Fix a "the the" typo in a comment.
  drm/vc4: Fix definition of QPU_R_MS_REV_FLAGS
  drm/vc4: Add a getparam to signal support for branches.
  drm/vc4: Add support for branching in shader validation.
  drm/vc4: Add a bitmap of branch targets during shader validation.
  drm/vc4: Move validation's current/max ip into the validation struct.
  drm/vc4: Add a getparam ioctl for getting the V3D identity regs.
2016-07-16 11:25:11 +10:00
Eric Anholt
7363cee5b4 drm/vc4: Add a getparam to signal support for branches.
Userspace needs to know if it can create shaders that do branching.
Otherwise, for backwards compatibility with old kernels it needs to
lower if statements to conditional assignments.

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:51 -07:00
Linus Torvalds
631517032f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
 "A few last-minute updates for the input subsystem"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: ts4800-ts - add missing of_node_put after calling of_parse_phandle
  Input: synaptics-rmi4 - use of_get_child_by_name() to fix refcount
  Revert "Input: wacom_w8001 - drop use of ABS_MT_TOOL_TYPE"
  Input: xpad - validate USB endpoint count during probe
  Input: add SW_PEN_INSERTED define
2016-07-16 07:04:12 +09:00
Daniel Borkmann
555c8a8623 bpf: avoid stack copy and use skb ctx for event output
This work addresses a couple of issues bpf_skb_event_output()
helper currently has: i) We need two copies instead of just a
single one for the skb data when it should be part of a sample.
The data can be non-linear and thus needs to be extracted via
bpf_skb_load_bytes() helper first, and then copied once again
into the ring buffer slot. ii) Since bpf_skb_load_bytes()
currently needs to be used first, the helper needs to see a
constant size on the passed stack buffer to make sure BPF
verifier can do sanity checks on it during verification time.
Thus, just passing skb->len (or any other non-constant value)
wouldn't work, but changing bpf_skb_load_bytes() is also not
the proper solution, since the two copies are generally still
needed. iii) bpf_skb_load_bytes() is just for rather small
buffers like headers, since they need to sit on the limited
BPF stack anyway. Instead of working around in bpf_skb_load_bytes(),
this work improves the bpf_skb_event_output() helper to address
all 3 at once.

We can make use of the passed in skb context that we have in
the helper anyway, and use some of the reserved flag bits as
a length argument. The helper will use the new __output_custom()
facility from perf side with bpf_skb_copy() as callback helper
to walk and extract the data. It will pass the data for setup
to bpf_event_output(), which generates and pushes the raw record
with an additional frag part. The linear data used in the first
frag of the record serves as programmatically defined meta data
passed along with the appended sample.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15 14:23:56 -07:00
Mauro Carvalho Chehab
12cb22bb8a uapi: export lirc.h header
This header contains the userspace API for lirc.

This is a fixup for commit b7be755733 ("[media] bz#75751: Move
internal header file lirc.h to uapi/").  It moved the header to the
right place, but it forgot to add it at Kbuild.  So, despite being at
uapi, it is not copied to the right place.

Fixes: b7be755733 ("[media] bz#75751: Move internal header file lirc.h to uapi/")
Link: http://lkml.kernel.org/r/320c765d32bfc82c582e336d52ffe1026c73c644.1468439021.git.mchehab@s-opensource.com
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Cc: Alec Leamas <leamas.alec@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-15 14:54:27 +09:00
Dave Airlie
ff37c05a99 Merge tag 'drm-intel-next-2016-07-11' of git://anongit.freedesktop.org/drm-intel into drm-next
- select igt testing depencies for CONFIG_DRM_I915_DEBUG (Chris)
- track outputs in crtc state and clean up all our ad-hoc connector/encoder
  walking in modest code (Ville)
- demidlayer drm_device/drm_i915_private (Chris Wilson)
- thundering herd fix from Chris Wilson, with lots of help from Tvrtko Ursulin
- piles of assorted clean and fallout from the thundering herd fix
- documentation and more tuning for waitboosting (Chris)
- pooled EU support on bxt (Arun Siluvery)
- bxt support is no longer considered prelimary!
- ring/engine vfunc cleanup from Tvrtko
- introduce intel_wait_for_register helper (Chris)
- opregion updates (Jani Nukla)
- tuning and fixes for wait_for macros (Tvrkto&Imre)
- more kabylake pci ids (Rodrigo)
- pps cleanup and fixes for bxt (Imre)
- move sink crc support over to atomic state (Maarten)
- fix up async fbdev init ordering (Chris)
- fbc fixes from Paulo and Chris

* tag 'drm-intel-next-2016-07-11' of git://anongit.freedesktop.org/drm-intel: (223 commits)
  drm/i915: Update DRIVER_DATE to 20160711
  drm/i915: Select DRM_VGEM for igt
  drm/i915: Select X86_MSR for igt
  drm/i915: Fill unused GGTT with scratch pages for VT-d
  drm/i915: Introduce Kabypoint PCH for Kabylake H/DT.
  drm/i915:gen9: implement WaMediaPoolStateCmdInWABB
  drm/i915: Check for invalid cloning earlier during modeset
  drm/i915: Simplify hdmi_12bpc_possible()
  drm/i915: Kill has_dsi_encoder
  drm/i915: s/INTEL_OUTPUT_DISPLAYPORT/INTEL_OUTPUT_DP/
  drm/i915: Replace some open coded intel_crtc_has_dp_encoder()s
  drm/i915: Kill has_dp_encoder from pipe_config
  drm/i915: Replace manual lvds and sdvo/hdmi counting with intel_crtc_has_type()
  drm/i915: Unify intel_pipe_has_type() and intel_pipe_will_have_type()
  drm/i915: Add output_types bitmask into the crtc state
  drm/i915: Remove encoder type checks from MST suspend/resume
  drm/i915: Don't mark eDP encoders as MST capable
  drm/i915: avoid wait_for_atomic() in non-atomic host2guc_action()
  drm/i915: Group the irq breadcrumb variables into the same cacheline
  drm/i915: Wake up the bottom-half if we steal their interrupt
  ...
2016-07-15 13:50:58 +10:00
Eric Anholt
af713795c5 drm/vc4: Add a getparam ioctl for getting the V3D identity regs.
As I extend the driver to support different V3D revisions, userspace
needs to know what version it's targeting.  This is most easily
detected using the V3D identity registers.

v2: Make sure V3D is runtime PM on when reading the registers.
v3: Switch to a 64-bit param value (suggested by Rob Clark in review)

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v2)
Reviewed-by: Rob Clark <robdclark@gmail.com> (v3, over irc)
2016-07-14 08:08:35 -07:00
Radim Krčmář
c519265f2a KVM: x86: add a flag to disable KVM x2apic broadcast quirk
Add KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK as a feature flag to
KVM_CAP_X2APIC_API.

The quirk made KVM interpret 0xff as a broadcast even in x2APIC mode.
The enableable capability is needed in order to support standard x2APIC and
remain backward compatible.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
[Expand kvm_apic_mda comment. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-07-14 09:29:34 +02:00
Radim Krčmář
3713131345 KVM: x86: add KVM_CAP_X2APIC_API
KVM_CAP_X2APIC_API is a capability for features related to x2APIC
enablement.  KVM_X2APIC_API_32BIT_FORMAT feature can be enabled to
extend APIC ID in get/set ioctl and MSI addresses to 32 bits.
Both are needed to support x2APIC.

The feature has to be enableable and disabled by default, because
get/set ioctl shifted and truncated APIC ID to 8 bits by using a
non-standard protocol inspired by xAPIC and the change is not
backward-compatible.

Changes to MSI addresses follow the format used by interrupt remapping
unit.  The upper address word, that used to be 0, contains upper 24 bits
of the LAPIC address in its upper 24 bits.  Lower 8 bits are reserved as
0.  Using the upper address word is not backward-compatible either as we
didn't check that userspace zeroed the word.  Reserved bits are still
not explicitly checked, but non-zero data will affect LAPIC addresses,
which will cause a bug.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-07-14 09:03:57 +02:00
Mauro Carvalho Chehab
c9a3429bcc Merge branch 'topic/vsp1' into patchwork
* topic/vsp1: (36 commits)
  [media] v4l: vsp1: wpf: Add flipping support
  [media] v4l: vsp1: rwpf: Support runtime modification of controls
  [media] v4l: vsp1: Simplify alpha propagation
  [media] v4l: vsp1: clu: Support runtime modification of controls
  [media] v4l: vsp1: lut: Support runtime modification of controls
  [media] v4l: vsp1: Support runtime modification of controls
  [media] v4l: vsp1: Add Cubic Look Up Table (CLU) support
  [media] v4l: vsp1: lut: Expose configuration through a control
  [media] v4l: vsp1: lut: Initialize the mutex
  [media] v4l: vsp1: dl: Don't free fragments with interrupts disabled
  [media] v4l: vsp1: Set entities functions
  [media] v4l: vsp1: Don't create LIF entity when the userspace API is enabled
  [media] v4l: vsp1: Don't register media device when userspace API is disabled
  [media] v4l: vsp1: Base link creation on availability of entities
  [media] media: Add video statistics computation functions
  [media] media: Add video processing entity functions
  [media] v4l: vsp1: sru: Fix intensity control ID
  [media] v4l: vsp1: Stop the pipeline upon the first STREAMOFF
  [media] v4l: vsp1: Constify operation structures
  [media] v4l: vsp1: pipe: Fix typo in comment
  ...
2016-07-13 13:43:48 -03:00
Hans Verkuil
c624b5de50 [media] input: serio - add new protocol for the Pulse-Eight USB-CEC Adapter
This is for the new pulse8-cec staging driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-12 13:42:10 -03:00
Xin Long
826d253d57 sctp: add SCTP_PR_ASSOC_STATUS on sctp sockopt
This patch adds SCTP_PR_ASSOC_STATUS to sctp sockopt, which is used
to dump the prsctp statistics info from the asoc. The prsctp statistics
includes abandoned_sent/unsent from the asoc. abandoned_sent is the
count of the packets we drop packets from retransmit/transmited queue,
and abandoned_unsent is the count of the packets we drop from out_queue
according to the policy.

Note: another option for prsctp statistics dump described in rfc is
SCTP_PR_STREAM_STATUS, which is used to dump the prsctp statistics
info from each stream. But by now, linux doesn't yet have per stream
statistics info, it needs rfc6525 to be implemented. As the prsctp
statistics for each stream has to be based on per stream statistics,
we will delay it until rfc6525 is done in linux.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-11 13:25:39 -07:00
Xin Long
f959fb442c sctp: add SCTP_DEFAULT_PRINFO into sctp sockopt
This patch adds SCTP_DEFAULT_PRINFO to sctp sockopt. It is used
to set/get sctp Partially Reliable Policies' default params,
which includes 3 policies (ttl, rtx, prio) and their values.

Still, if we set policy params in sndinfo, we will use the params
of sndinfo against chunks, instead of the default params.

In this patch, we will use 5-8bit of sp/asoc->default_flags
to store prsctp policies, and reuse asoc->default_timetolive
to store their values. It means if we enable and set prsctp
policy, prior ttl timeout in sctp will not work any more.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-11 13:25:38 -07:00
Xin Long
28aa4c26fc sctp: add SCTP_PR_SUPPORTED on sctp sockopt
According to section 4.5 of rfc7496, prsctp_enable should be per asoc.
We will add prsctp_enable to both asoc and ep, and replace the places
where it used net.sctp->prsctp_enable with asoc->prsctp_enable.

ep->prsctp_enable will be initialized with net.sctp->prsctp_enable, and
asoc->prsctp_enable will be initialized with ep->prsctp_enable. We can
also modify it's value through sockopt SCTP_PR_SUPPORTED.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-11 13:25:38 -07:00
Mauro Carvalho Chehab
d55f09abe2 [media] lirc.h: remove several unused ioctls
While reviewing the documentation gaps on LIRC, it was
noticed that several ioctls aren't used by any LIRC drivers
(nor at staging or mainstream).

It doesn't make sense to document them, as they're not used
anywhere. So, let's remove those from the lirc header.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-11 10:49:52 -03:00
Nikolay Aleksandrov
a65056ecf4 net: bridge: extend MLD/IGMP query stats
As was suggested this patch adds support for the different versions of MLD
and IGMP query types. Since the user visible structure is still in net-next
we can augment it instead of adding netlink attributes.
The distinction between the different IGMP/MLD query types is done as
suggested in Section 7.1, RFC 3376 [1] and Section 8.1, RFC 3810 [2] based
on query payload size and code for IGMP. Since all IGMP packets go through
multicast_rcv() and it uses ip_mc_check_igmp/ipv6_mc_check_mld we can be
sure that at least the ip/ipv6 header can be directly used.

[1] https://tools.ietf.org/html/rfc3376#section-7
[2] https://tools.ietf.org/html/rfc3810#section-8.1

Suggested-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-09 17:40:09 -04:00
Mauro Carvalho Chehab
6a6e809006 Merge branch 'topic/cec' into topic/docs-next
* topic/cec:
  [media] DocBook/media: add CEC documentation
  [media] s5p_cec: get rid of an unused var
  [media] move s5p-cec to staging
  [media] vivid: add CEC emulation
  [media] cec: s5p-cec: Add s5p-cec driver
  [media] cec: adv7511: add cec support
  [media] cec: adv7842: add cec support
  [media] cec: adv7604: add cec support
  [media] cec: add compat32 ioctl support
  [media] cec/TODO: add TODO file so we know why this is still in staging
  [media] cec: add HDMI CEC framework (api)
  [media] cec: add HDMI CEC framework (adapter)
  [media] cec: add HDMI CEC framework (core)
  [media] cec-funcs.h: static inlines to pack/unpack CEC messages
  [media] cec.h: add cec header
  [media] cec-edid: add module for EDID CEC helper functions
  [media] cec.txt: add CEC framework documentation
  [media] rc: Add HDMI CEC protocol handling
  Input: add HDMI CEC specific keycodes
  Input: add BUS_CEC type
2016-07-09 10:21:36 -03:00
Alexei Starovoitov
606274c5ab bpf: introduce bpf_get_current_task() helper
over time there were multiple requests to access different data
structures and fields of task_struct current, so finally add
the helper to access 'current' as-is. Tracing bpf programs will do
the rest of walking the pointers via bpf_probe_read().
Note that current can be null and bpf program has to deal it with,
but even dumb passing null into bpf_probe_read() is still safe.

Suggested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-09 00:00:16 -04:00
Mauro Carvalho Chehab
fb810cb5ed Linux 4.7-rc6
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJXefulAAoJEHm+PkMAQRiG6nMH/2O1vcZeOtqmx2yCMUeXyKAT
 wG88XflXzf3rM7C7TiObEYVf/bbLleJ7saDLEeic7ButD5gyYacIuzylVnrcqfBc
 vinz4cOw5kvu9DrRkCKdOfiTAgwYtqQW+syJ8ZK4lPQuSxnPAs+F/FKSOpyUF5FN
 Dngr520KjYKBEtn27W9UDPChFRwQoWAlaOC534eusaArCJtHGHHiuq5TEDn2EIo8
 pUw2vwx5JiquSHOY34WLU7r+QoilovCQlUSsBQdLlPjfMB1QFtclPYa+5yEMjkT4
 wusOUOfS/zK0rV6KnEdc/SkpiVX5C9WpFiWUOdEeJ5mZ+KijVkaOa9K1EDx8jSM=
 =7Hwh
 -----END PGP SIGNATURE-----

Merge tag 'v4.7-rc6' into patchwork

Linux 4.7-rc6

* tag 'v4.7-rc6': (1245 commits)
  Linux 4.7-rc6
  ovl: warn instead of error if d_type is not supported
  MIPS: Fix possible corruption of cache mode by mprotect.
  locks: use file_inode()
  usb: dwc3: st: Use explicit reset_control_get_exclusive() API
  phy: phy-stih407-usb: Use explicit reset_control_get_exclusive() API
  phy: miphy28lp: Inform the reset framework that our reset line may be shared
  namespace: update event counter when umounting a deleted dentry
  9p: use file_dentry()
  lockd: unregister notifier blocks if the service fails to come up completely
  ACPI,PCI,IRQ: correct operator precedence
  fuse: serialize dirops by default
  drm/i915: Fix missing unlock on error in i915_ppgtt_info()
  powerpc: Initialise pci_io_base as early as possible
  mfd: da9053: Fix compiler warning message for uninitialised variable
  mfd: max77620: Fix FPS switch statements
  phy: phy-stih407-usb: Inform the reset framework that our reset line may be shared
  usb: dwc3: st: Inform the reset framework that our reset line may be shared
  usb: host: ehci-st: Inform the reset framework that our reset line may be shared
  usb: host: ohci-st: Inform the reset framework that our reset line may be shared
  ...
2016-07-08 18:14:03 -03:00
Huang Rui
000cab9a61 drm/amdgpu: factor out the AMDGPU_INFO_FW_VERSION case branch into amdgpu_firmware_info
The new amdgpu_firmware_info function will be used on amdgpu firmware
version debugfs.

Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07 14:51:33 -04:00
Ingo Molnar
3ebe3bd8fb Merge branch 'perf/urgent' into perf/core, to pick up fixes before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-07-07 08:58:23 +02:00
David S. Miller
a90a6e55f3 One more set of new features:
* beacon report (for radio measurement) support in cfg80211/mac80211
  * hwsim: allow wmediumd in namespaces
  * mac80211: extend 160MHz workaround to CSA IEs
  * mesh: properly encrypt group-addressed privacy action frames
  * mesh: allow setting peer AID
  * first steps for MU-MIMO monitor mode
  * along with various other cleanups and improvements
 -----BEGIN PGP SIGNATURE-----
 
 iQIcBAABCgAGBQJXfSCuAAoJEGt7eEactAAdaugP/ilrcELQRsIN5ZXCAKYZuwXV
 T01JPwgOaWL9ILu7h1SfG/+j9kzMnyk4WmRpeoj2FGNcyfG2AvULWSLpQJ2abwgQ
 8o/emuLinQwRENevaMUTRSOE0HkXoFPCbbq37+a2i6bAv1QSYY3A0xvWpcU5fZ4D
 7CKYDYPBAdMXYwEwy1g4nYWfDAYqS4rthr3l3rS1Cy7Q2T1ZlMlD90GjD7oeQAEw
 orKulhkkDSzvxfvZCYTzXmUoBQE8sNXGDD+OFsJyowyt+ugM/xan+2tmhCaHSnda
 HpdCS2aRj779UBn9cOfELjffTNpS++PM6KFd8ZDaPcJSMginn/BAHTOeNfNUfL0Q
 +Enu59I82qMDzbG2z1Qezzjv7OTzyEvyvYzNbLOqljTBSBklDa3rHwhyk+g1oVBH
 +4xX1Vk5QBLde+Q0NS0gTkcqOQK8KT5+HEqiUfgLSNDETN0lSGsKbtvMfU/ikE1Y
 aLRkTp7nzUd03qjIFLS6RMf7JjucWWzH1ZXTHvbpDFAG7riOhYRD3Sw+0e7madTd
 +HXjH9dnOGnGPDL+FyDwtW6iclYwNjcIPQiNdOjwWfMA2Wmr7iq+aFUptRCwQTHB
 WtgJ3f8OHax2JXcm4grYfxELZip5vbWJJHUC84Drvmzw3X7FRITf+OEWjdNOzsRD
 Fc7w5ceThh9Id1BvcH2+
 =R1qP
 -----END PGP SIGNATURE-----

Merge tag 'mac80211-next-for-davem-2016-07-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
One more set of new features:
 * beacon report (for radio measurement) support in cfg80211/mac80211
 * hwsim: allow wmediumd in namespaces
 * mac80211: extend 160MHz workaround to CSA IEs
 * mesh: properly encrypt group-addressed privacy action frames
 * mesh: allow setting peer AID
 * first steps for MU-MIMO monitor mode
 * along with various other cleanups and improvements
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-06 22:32:15 -07:00
James Morris
d011a4d861 Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
David S. Miller
30d0844bdc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/mellanox/mlx5/core/en.h
	drivers/net/ethernet/mellanox/mlx5/core/en_main.c
	drivers/net/usb/r8152.c

All three conflicts were overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-06 10:35:22 -07:00
David S. Miller
ae3e4562e2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following patchset contains Netfilter updates for net-next,
they are:

1) Don't use userspace datatypes in bridge netfilter code, from
   Tobin Harding.

2) Iterate only once over the expectation table when removing the
   helper module, instead of once per-netns, from Florian Westphal.

3) Extra sanitization in xt_hook_ops_alloc() to return error in case
   we ever pass zero hooks, xt_hook_ops_alloc():

4) Handle NFPROTO_INET from the logging core infrastructure, from
   Liping Zhang.

5) Autoload loggers when TRACE target is used from rules, this doesn't
   change the behaviour in case the user already selected nfnetlink_log
   as preferred way to print tracing logs, also from Liping Zhang.

6) Conntrack slabs with SLAB_HWCACHE_ALIGN to allow rearranging fields
   by cache lines, increases the size of entries in 11% per entry.
   From Florian Westphal.

7) Skip zone comparison if CONFIG_NF_CONNTRACK_ZONES=n, from Florian.

8) Remove useless defensive check in nf_logger_find_get() from Shivani
   Bhardwaj.

9) Remove zone extension as place it in the conntrack object, this is
   always include in the hashing and we expect more intensive use of
   zones since containers are in place. Also from Florian Westphal.

10) Owner match now works from any namespace, from Eric Bierdeman.

11) Make sure we only reply with TCP reset to TCP traffic from
    nf_reject_ipv4, patch from Liping Zhang.

12) Introduce --nflog-size to indicate amount of network packet bytes
    that are copied to userspace via log message, from Vishwanath Pai.
    This obsoletes --nflog-range that has never worked, it was designed
    to achieve this but it has never worked.

13) Introduce generic macros for nf_tables object generation masks.

14) Use generation mask in table, chain and set objects in nf_tables.
    This allows fixes interferences with ongoing preparation phase of
    the commit protocol and object listings going on at the same time.
    This update is introduced in three patches, one per object.

15) Check if the object is active in the next generation for element
    deactivation in the rbtree implementation, given that deactivation
    happens from the commit phase path we have to observe the future
    status of the object.

16) Support for deletion of just added elements in the hash set type.

17) Allow to resize hashtable from /proc entry, not only from the
    obscure /sys entry that maps to the module parameter, from Florian
    Westphal.

18) Get rid of NFT_BASECHAIN_DISABLED, this code is not exercised
    anymore since we tear down the ruleset whenever the netdevice
    goes away.

19) Support for matching inverted set lookups, from Arturo Borrero.

20) Simplify the iptables_mangle_hook() by removing a superfluous
    extra branch.

21) Introduce ether_addr_equal_masked() and use it from the netfilter
    codebase, from Joe Perches.

22) Remove references to "Use netfilter MARK value as routing key"
    from the Netfilter Kconfig description given that this toggle
    doesn't exists already for 10 years, from Moritz Sichert.

23) Introduce generic NF_INVF() and use it from the xtables codebase,
    from Joe Perches.

24) Setting logger to NONE via /proc was not working unless explicit
    nul-termination was included in the string. This fixes seems to
    leave the former behaviour there, so we don't break backward.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-06 09:15:15 -07:00
Masashi Honma
7d27a0ba7a cfg80211: Add mesh peer AID setting API
Previously, mesh power management functionality works only with kernel
MPM. Because user space MPM did not report mesh peer AID to kernel,
the kernel could not identify the bit in TIM element. So this patch
adds mesh peer AID setting API.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 15:04:52 +02:00
Avraham Stern
1d76250bd3 nl80211: support beacon report scanning
Beacon report radio measurement requires reporting observed BSSs
on the channels specified in the beacon request. If the measurement
mode is set to passive or active, it requires actually performing a
scan (passive or active, accordingly), and reporting the time that
the scan was started and the time each beacon/probe was received
(both in terms of TSF of the BSS of the requesting AP). If the
request mode is table, this information is optional.
In addition, the radio measurement request specifies the channel
dwell time for the measurement.

In order to use scan for beacon report when the mode is active or
passive, add a parameter to scan request that specifies the
channel dwell time, and add scan start time and beacon received time
to scan results information.

Supporting beacon report is required for Multi Band Operation (MBO).

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:51:31 +02:00
Aviya Erenfeld
c6e6a0c8be nl80211: Add API to support VHT MU-MIMO air sniffer
add API to support VHT MU-MIMO air sniffer.
in MU-MIMO there are parallel frames on the air while the HW
has only one RX.
add the capability to sniff one of the MU-MIMO parallel frames by
giving the sniffer additional information so it'll know which
of the parallel frames it shall follow.

Add attribute - NL80211_ATTR_MU_MIMO_GROUP_DATA - for getting
a MU-MIMO groupID in order to monitor packets from that group
using VHT MU-MIMO.
And add attribute -NL80211_ATTR_MU_MIMO_FOLLOW_ADDR - for passing
MAC address to monitor mode.
that option will be used by VHT MU-MIMO air sniffer to follow a
station according to it's MAC address using VHT MU-MIMO.

Signed-off-by: Aviya Erenfeld <aviya.erenfeld@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:46:04 +02:00
David S. Miller
b77af26a79 This feature patchset includes the following changes:
- Cleanup work by Markus Pargmann and Sven Eckelmann (six patches)
 
  - Initial Netlink support by Matthias Schiffer (two patches)
 
  - Throughput Meter implementation by Antonio Quartulli, a kernel-space
    traffic generator to estimate link speeds. This feature is useful on
    low-end WiFi APs where running iperf or netperf from userspace
    gives wrong results due to heavy userspace/kernelspace overhead.
    (two patches)
 
  - API clean-up work by Antonio Quartulli (one patch)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABCgAGBQJXel3cAAoJEKEr45hCkp6hxs0P/jQZBJ37Bd4EHRGdhvCJWwsO
 j79zr7mIECub8a6PMkO1GI87ksJNtRdRw7XAIbLKTwsKEsUE0Gpv/MLLKgv/nD7X
 zatcoI4DujkgSojZIcOV/061+M9FAnCtAYv13jIS8nbXdqfGPxPfLua6Zbvx1GS2
 z/Rqg/WbB2qDtDlUrp0W/8oXQ+k6062G7GigroPLmjdWd5lF0H6ly4loWsxFyr0U
 GVl44HM4nOj7DwkVlrGoOXnAbjpz9TNC/aA5TIS/tLFZkm5dvJjjKLDbxo5NM9aq
 hRhFy8Gbe0TmOxV3mKZUT1oHuaHgFDY2tADLiLF2g/ijgaTetXCBJ6DXQ7BkiZnh
 +t1fnutOB1D05+cZGDmlfb2bFXO6vdDwNzKYuPdeW0tUOVwzNIaMK+US1HffUD3F
 ciK/cALsLbfJ3QkUHJclE57baMuB2c7YWJUxGdp2r4lKHak6tc8+BsornI6lB6qY
 kcxip6EEaT7edjT66Qjq8GtFK7WIri5nHI9n5Js+Wwl1QENvkLmZRQ6qZexwSplS
 RTZmmO+i+Y4rGDa3xoVSlC+CEUO7D4VwhET2Jir7KJrVS+pFNRAmfpUNWxeauAls
 D1xWgBrWjjOYu5i3LjwC6cHl4eTWxBwWmBUaxLUUeyoR22ulIs6bXCQMWOLMbupd
 q8k2B5BW9waTAgb4Tam9
 =PFHu
 -----END PGP SIGNATURE-----

Merge tag 'batadv-next-for-davem-20160704' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This feature patchset includes the following changes:

 - Cleanup work by Markus Pargmann and Sven Eckelmann (six patches)

 - Initial Netlink support by Matthias Schiffer (two patches)

 - Throughput Meter implementation by Antonio Quartulli, a kernel-space
   traffic generator to estimate link speeds. This feature is useful on
   low-end WiFi APs where running iperf or netperf from userspace
   gives wrong results due to heavy userspace/kernelspace overhead.
   (two patches)

 - API clean-up work by Antonio Quartulli (one patch)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-04 23:33:59 -07:00
Daniel Borkmann
13c5c240f7 bpf: add bpf_get_hash_recalc helper
If skb_clear_hash() was invoked due to mangling of relevant headers and
BPF program needs skb->hash later on, we can add a helper to trigger hash
recalculation via bpf_get_hash_recalc().

The helper will return the newly retrieved hash directly, but later access
can also be done via skb context again through skb->hash directly (inline)
without needing to call the helper once more.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-04 16:08:40 -07:00
Jamal Hadi Salim
ff202ee1ed net sched actions: skbedit add support for mod-ing skb pkt_type
Extremely useful for setting packet type to host so i dont
have to modify the dst mac address using pedit (which requires
that i know the mac address)

Example usage:
tc filter add dev eth0 parent ffff: protocol ip pref 9 u32 \
match ip src 5.5.5.5/32 \
flowid 1:5 action skbedit ptype host

This will tag all packets incoming from 5.5.5.5 with type
PACKET_HOST

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-04 15:11:14 -07:00
Greg Kroah-Hartman
7813029a50 Merge 4.7-rc6 into staging-next
We want the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-04 08:15:03 -07:00
Antonio Quartulli
33a3bb4a33 batman-adv: throughput meter implementation
The throughput meter module is a simple, kernel-space replacement for
throughtput measurements tool like iperf and netperf. It is intended to
approximate TCP behaviour.

It is invoked through batctl: the protocol is connection oriented, with
cumulative acknowledgment and a dynamic-size sliding window.

The test *can* be interrupted by batctl. A receiver side timeout avoids
unlimited waitings for sender packets: after one second of inactivity, the
receiver abort the ongoing test.

Based on a prototype from Edo Monticelli <montik@autistici.org>

Signed-off-by: Antonio Quartulli <antonio.quartulli@open-mesh.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-07-04 12:37:18 +02:00
Matthias Schiffer
5da0aef5e9 batman-adv: add netlink command to query generic mesh information files
BATADV_CMD_GET_MESH_INFO is used to query basic information about a
batman-adv softif (name, index and MAC address for both the softif and
the primary hardif; routing algorithm; batman-adv version).

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[sven.eckelmann@open-mesh.com: Reduce the number of changes to
BATADV_CMD_GET_MESH_INFO, add missing kerneldoc, add policy for attributes]
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-07-04 12:37:17 +02:00
Matthias Schiffer
09748a22f4 batman-adv: add generic netlink family for batman-adv
debugfs is currently severely broken virtually everywhere in the kernel
where files are dynamically added and removed (see
http://lkml.iu.edu/hypermail/linux/kernel/1506.1/02196.html for some
details). In addition to that, debugfs is not namespace-aware.

Instead of adding new debugfs entries, the whole infrastructure should be
moved to netlink. This will fix the long standing problem of large buffers
for debug tables and hard to parse text files.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[sven.eckelmann@open-mesh.com: Strip down patch to only add genl family,
add missing kerneldoc]
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-07-04 12:37:17 +02:00
Chris Wilson
bc3d674462 drm/i915: Allow userspace to request no-error-capture upon GPU hangs
igt likes to inject GPU hangs into its command streams. However, as we
expect these hangs, we don't actually want them recorded in the dmesg
output or stored in the i915_error_state (usually). To accommodate this
allow userspace to set a flag on the context that any hang emanating
from that context will not be recorded. We still do the error capture
(otherwise how do we find the guilty context and know its intent?) as
part of the reason for random GPU hang injection is to exercise the race
conditions between the error capture and normal execution.

v2: Split out the request->ringbuf error capture changes.
v3: Move the flag defines next to the intel_context->flags definition

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467616119-4093-9-git-send-email-chris@chris-wilson.co.uk
2016-07-04 08:18:24 +01:00
Linus Torvalds
0b295dd5b8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fix from Miklos Szeredi:
 "This makes sure userspace filesystems are not broken by the parallel
  lookups and readdir feature"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: serialize dirops by default
2016-07-03 12:02:00 -07:00
Or Gerlitz
08f4b5918b net/devlink: Add E-Switch mode control
Add the commands to set and show the mode of SRIOV E-Switch, two modes
are supported:

* legacy: operating in the "old" L2 based mode (DMAC --> VF vport)

* switchdev: the E-Switch is referred to as whitebox switch configured
using standard tools such as tc, bridge, openvswitch etc. To allow
working with the tools, for each VF, a VF representor netdevice is
created by the E-Switch manager vendor device driver instance (e.g PF).

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-02 14:40:40 -04:00
Martin KaFai Lau
4a482f34af cgroup: bpf: Add bpf_skb_in_cgroup_proto
Adds a bpf helper, bpf_skb_in_cgroup, to decide if a skb->sk
belongs to a descendant of a cgroup2.  It is similar to the
feature added in netfilter:
commit c38c4597e4 ("netfilter: implement xt_cgroup cgroup2 path match")

The user is expected to populate a BPF_MAP_TYPE_CGROUP_ARRAY
which will be used by the bpf_skb_in_cgroup.

Modifications to the bpf verifier is to ensure BPF_MAP_TYPE_CGROUP_ARRAY
and bpf_skb_in_cgroup() are always used together.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 16:32:13 -04:00
Martin KaFai Lau
4ed8ec521e cgroup: bpf: Add BPF_MAP_TYPE_CGROUP_ARRAY
Add a BPF_MAP_TYPE_CGROUP_ARRAY and its bpf_map_ops's implementations.
To update an element, the caller is expected to obtain a cgroup2 backed
fd by open(cgroup2_dir) and then update the array with that fd.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 16:30:38 -04:00
arun.siluvery@linux.intel.com
37f501afed drm/i915/bxt: Export pooled eu info to userspace
Pooled EU is a bxt only feature and kernel changes are already merged. This
feature is not yet exposed to userspace as the support was not yet
available. Beignet team expressed interest and added patches to use this.

Since we now have a user and patches to use them, expose them from the
kernel side as well.

v2: fix compile error

[1] https://lists.freedesktop.org/archives/beignet/2016-June/007698.html
[2] https://lists.freedesktop.org/archives/beignet/2016-June/007699.html

Cc: Winiarski, Michal <michal.winiarski@intel.com>
Cc: Zou, Nanhai <nanhai.zou@intel.com>
Cc: Yang, Rong R <rong.r.yang@intel.com>
Cc: Tim Gore <tim.gore@intel.com>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467369782-25992-1-git-send-email-arun.siluvery@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
2016-07-01 14:53:52 +01:00
Andrey Vagin
b1ed4c4fa9 tcp: add an ability to dump and restore window parameters
We found that sometimes a restored tcp socket doesn't work.

A reason of this bug is incorrect window parameters and in this case
tcp_acceptable_seq() returns tcp_wnd_end(tp) instead of tp->snd_nxt. The
other side drops packets with this seq, because seq is less than
tp->rcv_nxt ( tcp_sequence() ).

Data from a send queue is sent only if there is enough space in a
window, so when we restore unacked data, we need to expand a window to
fit this data.

This was in a first version of this patch:
"tcp: extend window to fit all restored unacked data in a send queue"

Then Alexey recommended me to restore window parameters instead of
adjusted them according with data in a sent queue. This sounds resonable.

rcv_wnd has to be restored, because it was reported to another side
and the offered window is never shrunk.
One of reasons why we need to restore snd_wnd was described above.

Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 08:15:31 -04:00
Miklos Szeredi
5c672ab3f0 fuse: serialize dirops by default
Negotiate with userspace filesystems whether they support parallel readdir
and lookup.  Disable parallelism by default for fear of breaking fuse
filesystems.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 9902af79c0 ("parallel lookups: actual switch to rwsem")
Fixes: d9b3dbdcfd ("fuse: switch to ->iterate_shared()")
2016-06-30 13:10:49 +02:00
Nikolay Aleksandrov
1080ab95e3 net: bridge: add support for IGMP/MLD stats and export them via netlink
This patch adds stats support for the currently used IGMP/MLD types by the
bridge. The stats are per-port (plus one stat per-bridge) and per-direction
(RX/TX). The stats are exported via netlink via the new linkxstats API
(RTM_GETSTATS). In order to minimize the performance impact, a new option
is used to enable/disable the stats - multicast_stats_enabled, similar to
the recent vlan stats. Also in order to avoid multiple IGMP/MLD type
lookups and checks, we make use of the current "igmp" member of the bridge
private skb->cb region to record the type on Rx (both host-generated and
external packets pass by multicast_rcv()). We can do that since the igmp
member was used as a boolean and all the valid IGMP/MLD types are positive
values. The normal bridge fast-path is not affected at all, the only
affected paths are the flooding ones and since we make use of the IGMP/MLD
type, we can quickly determine if the packet should be counted using
cache-hot data (cb's igmp member). We add counters for:
* IGMP Queries
* IGMP Leaves
* IGMP v1/v2/v3 reports

* MLD Queries
* MLD Leaves
* MLD v1/v2 reports

These are invaluable when monitoring or debugging complex multicast setups
with bridges.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 06:18:24 -04:00
Nikolay Aleksandrov
80e73cc563 net: rtnetlink: add support for the IFLA_STATS_LINK_XSTATS_SLAVE attribute
This patch adds support for the IFLA_STATS_LINK_XSTATS_SLAVE attribute
which allows to export per-slave statistics if the master device supports
the linkxstats callback. The attribute is passed down to the linkxstats
callback and it is up to the callback user to use it (an example has been
added to the only current user - the bridge). This allows us to query only
specific slaves of master devices like bridge ports and export only what
we're interested in instead of having to dump all ports and searching only
for a single one. This will be used to export per-port IGMP/MLD stats and
also per-port vlan stats in the future, possibly other statistics as well.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 06:15:04 -04:00
Daniel Borkmann
d2485c4242 bpf: add bpf_skb_change_type helper
This work adds a helper for changing skb->pkt_type in a controlled way.
We only allow a subset of possible values and can extend that in future
should other use cases come up. Doing this as a helper has the advantage
that errors can be handeled gracefully and thus helper kept extensible.

It's a write counterpart to pkt_type member we can already read from
struct __sk_buff context. Major use case is to change incoming skbs to
PACKET_HOST in a programmatic way instead of having to recirculate via
redirect(..., BPF_F_INGRESS), for example.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 05:54:40 -04:00
Daniel Borkmann
6578171a7f bpf: add bpf_skb_change_proto helper
This patch adds a minimal helper for doing the groundwork of changing
the skb->protocol in a controlled way. Currently supported is v4 to
v6 and vice versa transitions, which allows f.e. for a minimal, static
nat64 implementation where applications in containers that still
require IPv4 can be transparently operated in an IPv6-only environment.
For example, host facing veth of the container can transparently do
the transitions in a programmatic way with the help of clsact qdisc
and cls_bpf.

Idea is to separate concerns for keeping complexity of the helper
lower, which means that the programs utilize bpf_skb_change_proto(),
bpf_skb_store_bytes() and bpf_lX_csum_replace() to get the job done,
instead of doing everything in a single helper (and thus partially
duplicating helper functionality). Also, bpf_skb_change_proto()
shouldn't need to deal with raw packet data as this is done by other
helpers.

bpf_skb_proto_6_to_4() and bpf_skb_proto_4_to_6() unclone the skb to
operate on a private one, push or pop additionally required header
space and migrate the gso/gro meta data from the shared info. We do
mark the gso type as dodgy so that headers are checked and segs
recalculated by the gso/gro engine. The gso_size target is adapted
as well. The flags argument added is currently reserved and can be
used for future extensions.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 05:54:40 -04:00
Daniel Borkmann
6816a7ffce bpf, trace: add BPF_F_CURRENT_CPU flag for bpf_perf_event_read
Follow-up commit to 1e33759c78 ("bpf, trace: add BPF_F_CURRENT_CPU
flag for bpf_perf_event_output") to add the same functionality into
bpf_perf_event_read() helper. The split of index into flags and index
component is also safe here, since such large maps are rejected during
map allocation time.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 05:54:40 -04:00
David S. Miller
ee58b57100 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of overlapping changes, except the packet scheduler
conflicts which deal with the addition of the free list parameter
to qdisc_enqueue().

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 05:03:36 -04:00
Linus Torvalds
32826ac41f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "I've been traveling so this accumulates more than week or so of bug
  fixing.  It perhaps looks a little worse than it really is.

   1) Fix deadlock in ath10k driver, from Ben Greear.

   2) Increase scan timeout in iwlwifi, from Luca Coelho.

   3) Unbreak STP by properly reinjecting STP packets back into the
      stack.  Regression fix from Ido Schimmel.

   4) Mediatek driver fixes (missing malloc failure checks, leaking of
      scratch memory, wrong indexing when mapping TX buffers, etc.) from
      John Crispin.

   5) Fix endianness bug in icmpv6_err() handler, from Hannes Frederic
      Sowa.

   6) Fix hashing of flows in UDP in the ruseport case, from Xuemin Su.

   7) Fix netlink notifications in ovs for tunnels, delete link messages
      are never emitted because of how the device registry state is
      handled.  From Nicolas Dichtel.

   8) Conntrack module leaks kmemcache on unload, from Florian Westphal.

   9) Prevent endless jump loops in nft rules, from Liping Zhang and
      Pablo Neira Ayuso.

  10) Not early enough spinlock initialization in mlx4, from Eric
      Dumazet.

  11) Bind refcount leak in act_ipt, from Cong WANG.

  12) Missing RCU locking in HTB scheduler, from Florian Westphal.

  13) Several small MACSEC bug fixes from Sabrina Dubroca (missing RCU
      barrier, using heap for SG and IV, and erroneous use of async flag
      when allocating AEAD conext.)

  14) RCU handling fix in TIPC, from Ying Xue.

  15) Pass correct protocol down into ipv4_{update_pmtu,redirect}() in
      SIT driver, from Simon Horman.

  16) Socket timer deadlock fix in TIPC from Jon Paul Maloy.

  17) Fix potential deadlock in team enslave, from Ido Schimmel.

  18) Memory leak in KCM procfs handling, from Jiri Slaby.

  19) ESN generation fix in ipv4 ESP, from Herbert Xu.

  20) Fix GFP_KERNEL allocations with locks held in act_ife, from Cong
      WANG.

  21) Use after free in netem, from Eric Dumazet.

  22) Uninitialized last assert time in multicast router code, from Tom
      Goff.

  23) Skip raw sockets in sock_diag destruction broadcast, from Willem
      de Bruijn.

  24) Fix link status reporting in thunderx, from Sunil Goutham.

  25) Limit resegmentation of retransmit queue so that we do not
      retransmit too large GSO frames.  From Eric Dumazet.

  26) Delay bpf program release after grace period, from Daniel
      Borkmann"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (141 commits)
  openvswitch: fix conntrack netlink event delivery
  qed: Protect the doorbell BAR with the write barriers.
  neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
  e1000e: keep VLAN interfaces functional after rxvlan off
  cfg80211: fix proto in ieee80211_data_to_8023 for frames without LLC header
  qlcnic: use the correct ring in qlcnic_83xx_process_rcv_ring_diag()
  bpf, perf: delay release of BPF prog after grace period
  net: bridge: fix vlan stats continue counter
  tcp: do not send too big packets at retransmit time
  ibmvnic: fix to use list_for_each_safe() when delete items
  net: thunderx: Fix TL4 configuration for secondary Qsets
  net: thunderx: Fix link status reporting
  net/mlx5e: Reorganize ethtool statistics
  net/mlx5e: Fix number of PFC counters reported to ethtool
  net/mlx5e: Prevent adding the same vxlan port
  net/mlx5e: Check for BlueFlame capability before allocating SQ uar
  net/mlx5e: Change enum to better reflect usage
  net/mlx5: Add ConnectX-5 PCIe 4.0 to list of supported devices
  net/mlx5: Update command strings
  net: marvell: Add separate config ANEG function for Marvell 88E1111
  ...
2016-06-29 11:50:42 -07:00
Douglas Anderson
9a9b6aa6a8 Input: add SW_PEN_INSERTED define
Some devices with a pen may have a switch that can be used to detect
when the pen is inserted or removed to a slot on the device.  Let's add
a define to the input event codes so that everyone can be on the same
page for what event we should generate when the pen is inserted or
removed.

In general the pen switch could be used by the software on the device to
kick off any number of actions when the pen is inserted or removed.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-06-29 09:51:03 -07:00
Laurent Pinchart
42e89bed23 [media] v4l: vsp1: lut: Expose configuration through a control
Replace the custom ioctl with a V4L2 control in order to standardize the
API.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 12:15:10 -03:00
Laurent Pinchart
eaa0b96bbb [media] media: Add video statistics computation functions
The video statistics function describes entities such as video histogram
engines or 3A statistics engines.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 12:06:20 -03:00
Laurent Pinchart
1179aab13d [media] media: Add video processing entity functions
Add composer, pixel formatter, pixel encoding converter and scaler
functions.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 12:05:52 -03:00
Laurent Pinchart
ab46f6d24b [media] videodev2.h: Fix V4L2_PIX_FMT_YUV411P description
YUV 4:1:1 uses 12 bits per pixel on average, not 16.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 11:54:52 -03:00
Laurent Pinchart
79c8d083e2 [media] videodev2.h: Group YUV 3 planes formats together
The formats are interleaved with the YUV packed and miscellaneous
formats, making the result confusing especially with the YUV444 format
being packed and not planar like YUV410 or YUV420. Move them to their
own group as the 2 planes or 3 non-contiguous planes formats to clarify
the header.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 11:54:19 -03:00
David Ahern
637c841dd7 net: diag: Add support to filter on device index
Add support to inet_diag facility to filter sockets based on device
index. If an interface index is in the filter only sockets bound
to that index (sk_bound_dev_if) are returned.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 05:25:04 -04:00
Philippe Bergheaud
b810253bd9 cxl: Add mechanism for delivering AFU driver specific events
This adds an afu_driver_ops structure with fetch_event() and
event_delivered() callbacks. An AFU driver such as cxlflash can fill
this out and associate it with a context to enable passing custom AFU
specific events to userspace.

This also adds a new kernel API function cxl_context_pending_events(),
that the AFU driver can use to notify the cxl driver that new specific
events are ready to be delivered, and wake up anyone waiting on the
context wait queue.

The current count of AFU driver specific events is stored in the field
afu_driver_events of the context structure.

The cxl driver checks the afu_driver_events count during poll, select,
read, etc. calls to check if an AFU driver specific event is pending,
and calls fetch_event() to obtain and deliver that event. This way, the
cxl driver takes care of all the usual locking semantics around these
calls and handles all the generic cxl events, so that the AFU driver
only needs to worry about it's own events.

fetch_event() return a struct cxl_event_afu_driver_reserved, allocated
by the AFU driver, and filled in with the specific event information and
size. Total event size (header + data) should not be greater than
CXL_READ_MIN_SIZE (4K).

Th cxl driver prepends an appropriate cxl event header, copies the event
to userspace, and finally calls event_delivered() to return the status of
the operation to the AFU driver. The event is identified by the context
and cxl_event_afu_driver_reserved pointers.

Since AFU drivers provide their own means for userspace to obtain the
AFU file descriptor (i.e. cxlflash uses an ioctl on their scsi file
descriptor to obtain the AFU file descriptor) and the generic cxl driver
will never use this event, the ABI of the event is up to each individual
AFU driver.

Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-06-28 18:34:56 +10:00
Linus Torvalds
18751e2eb5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: vmmouse - remove port reservation
  Input: elantech - add more IC body types to the list
  Input: wacom_w8001 - ignore invalid pen data packets
  Input: wacom_w8001 - w8001_MAX_LENGTH should be 13
  Input: xpad - fix oops when attaching an unknown Xbox One gamepad
  MAINTAINERS: add Pali Rohár as reviewer of ALPS PS/2 touchpad driver
  Input: add HDMI CEC specific keycodes
  Input: add BUS_CEC type
  Input: xpad - fix rumble on Xbox One controllers with 2015 firmware
2016-06-27 20:34:43 -07:00
Huw Davies
ceba1832b1 calipso: Set the calipso socket label to match the secattr.
CALIPSO is a hop-by-hop IPv6 option.  A lot of this patch is based on
the equivalent CISPO code.  The main difference is due to manipulating
the options in the hop-by-hop header.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:51 -04:00
Huw Davies
cb72d38211 netlabel: Initial support for the CALIPSO netlink protocol.
CALIPSO is a packet labelling protocol for IPv6 which is very similar
to CIPSO.  It is specified in RFC 5570.  Much of the code is based on
the current CIPSO code.

This adds support for adding passthrough-type CALIPSO DOIs through the
NLBL_CALIPSO_C_ADD command.  It requires attributes:

 NLBL_CALIPSO_A_TYPE which must be CALIPSO_MAP_PASS.
 NLBL_CALIPSO_A_DOI.

In passthrough mode the CALIPSO engine will map MLS secattr levels
and categories directly to the packet label.

At this stage, the major difference between this and the CIPSO
code is that IPv6 may be compiled as a module.  To allow for
this the CALIPSO functions are registered at module init time.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2016-06-27 15:02:46 -04:00
Geoff Levand
d28f6df130 arm64/kexec: Add core kexec support
Add three new files, kexec.h, machine_kexec.c and relocate_kernel.S to the
arm64 architecture that add support for the kexec re-boot mechanism
(CONFIG_KEXEC) on arm64 platforms.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Reviewed-by: James Morse <james.morse@arm.com>
[catalin.marinas@arm.com: removed dead code following James Morse's comments]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2016-06-27 16:31:25 +01:00
Gal Pressman
89da45b8b5 ethtool: Add 50G baseSR2 link mode
Add ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT bit.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Cc: Ben Hutchings <bwh@kernel.org>
Cc: David Decotigny <decot@googlers.com>
Acked-By: David Decotigny <decot@googlers.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-27 04:10:41 -04:00
Stefan Berger
6f99612e25 tpm: Proxy driver for supporting multiple emulated TPMs
This patch implements a proxy driver for supporting multiple emulated TPMs
in a system.

The driver implements a device /dev/vtpmx that is used to created
a client device pair /dev/tpmX (e.g., /dev/tpm10) and a server side that
is accessed using a file descriptor returned by an ioctl.
The device /dev/tpmX is the usual TPM device created by the core TPM
driver. Applications or kernel subsystems can send TPM commands to it
and the corresponding server-side file descriptor receives these
commands and delivers them to an emulated TPM.

The driver retrievs the TPM 1.2 durations and timeouts. Since this requires
the startup of the TPM, we send a startup for TPM 1.2 as well as TPM 2.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>

CC: linux-kernel@vger.kernel.org
CC: linux-doc@vger.kernel.org
CC: linux-api@vger.kernel.org
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2016-06-25 17:26:35 +03:00
Arturo Borrero
0071e184a5 netfilter: nf_tables: add support for inverted logic in nft_lookup
Introduce a new configuration option for this expression, which allows users
to invert the logic of set lookups.

In _init() we will now return EINVAL if NFT_LOOKUP_F_INV is in anyway
related to a map lookup.

The code in the _eval() function has been untangled and updated to sopport the
XOR of options, as we should consider 4 cases:
 * lookup false, invert false -> NFT_BREAK
 * lookup false, invert true -> return w/o NFT_BREAK
 * lookup true, invert false -> return w/o NFT_BREAK
 * lookup true, invert true -> NFT_BREAK

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-06-24 11:03:29 +02:00
Vishwanath Pai
7643507fe8 netfilter: xt_NFLOG: nflog-range does not truncate packets
li->u.ulog.copy_len is currently ignored by the kernel, we should truncate
the packet to either li->u.ulog.copy_len (if set) or copy_range before
sending it to userspace. 0 is a valid input for copy_len, so add a new
flag to indicate whether this was option was specified by the user or not.

Add two flags to indicate whether nflog-size/copy_len was set or not.
XT_NFLOG_F_COPY_LEN is for XT_NFLOG and NFLOG_F_COPY_LEN for nfnetlink_log

On the userspace side, this was initially represented by the option
nflog-range, this will be replaced by --nflog-size now. --nflog-range would
still exist but does not do anything.

Reported-by: Joe Dollard <jdollard@akamai.com>
Reviewed-by: Josh Hunt <johunt@akamai.com>
Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-06-24 11:03:23 +02:00
Maor Gottlieb
4c2aae712c IB/core: Add IPv6 support to flow steering
Add IPv6 flow specification support.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-06-23 11:02:45 -04:00
Yishai Hadas
c70285f880 IB/uverbs: Extend create QP to get RWQ indirection table
User applications that want to spread incoming traffic between several WQs
should create a QP which contains an indirection table.

When such a QP is created other receive side parameters are not valid
and should not be given. Its send side is optional and assumed active
based on max_send_wr capability value.

Extend create QP to work accordingly.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-06-23 11:02:44 -04:00
Yishai Hadas
de019a9404 IB/uverbs: Introduce RWQ Indirection table
User applications that want to spread traffic on several WQs, need to
create an indirection table, by using already created WQs.

Adding uverbs API in order to create and destroy this table.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-06-23 11:02:43 -04:00
Yishai Hadas
f213c05272 IB/uverbs: Add WQ support
User space applications which use RSS functionality need to create
a work queue object (WQ). The lifetime of such an object is:
 * Create a WQ
 * Modify the WQ from reset to init state.
 * Use the WQ (by downstream patches).
 * Destroy the WQ.

These commands are added to the uverbs API.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@rimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-06-23 11:02:43 -04:00
Salvatore Benedetto
4e5f2c4007 crypto: kpp - Key-agreement Protocol Primitives API (KPP)
Add key-agreement protocol primitives (kpp) API which allows to
implement primitives required by protocols such as DH and ECDH.
The API is composed mainly by the following functions
 * set_secret() - It allows the user to set his secret, also
   referred to as his private key, along with the parameters
   known to both parties involved in the key-agreement session.
 * generate_public_key() - It generates the public key to be sent to
   the other counterpart involved in the key-agreement session. The
   function has to be called after set_params() and set_secret()
 * generate_secret() - It generates the shared secret for the session

Other functions such as init() and exit() are provided for allowing
cryptographic hardware to be inizialized properly before use

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-06-23 18:29:56 +08:00
William Tu
b95e5928fc openvswitch: Add packet len info to upcall.
The commit f2a4d086ed ("openvswitch: Add packet truncation support.")
introduces packet truncation before sending to userspace upcall receiver.
This patch passes up the skb->len before truncation so that the upcall
receiver knows the original packet size. Potentially this will be used
by sFlow, where OVS translates sFlow config header=N to a sample action,
truncating packet to N byte in kernel datapath. Thus, only N bytes instead
of full-packet size is copied from kernel to userspace, saving the
kernel-to-userspace bandwidth.

Signed-off-by: William Tu <u9012063@gmail.com>
Cc: Pravin Shelar <pshelar@nicira.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-22 16:34:39 -04:00
Mauro Carvalho Chehab
c01f3f5c3c Merge branch 'cec-defines' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input into topic/cec
* 'cec-defines' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: add HDMI CEC specific keycodes
  Input: add BUS_CEC type
2016-06-22 08:33:50 -03:00
stuart hayes
e02fb7264d nfit: add Microsoft NVDIMM DSM command set to white list
Add the Microsoft _DSM command set to the white list of NVDIMM command
sets.

This command set is documented at:

    https://msdn.microsoft.com/library/windows/hardware/mt604741

Cc: Pavel Machek <pavel@ucw.cz>
[pavel: fix up braces]
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-06-20 11:19:34 -07:00
Greg Kroah-Hartman
af52739b92 Merge 4.7-rc4 into staging-next
We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-20 08:25:44 -07:00
Eric Dumazet
20e1954fe2 ipv6: RFC 4884 partial support for SIT/GRE tunnels
When receiving an ICMPv4 message containing extensions as
defined in RFC 4884, and translating it to ICMPv6 at SIT
or GRE tunnel, we need some extra manipulation in order
to properly forward the extensions.

This patch only takes care of Time Exceeded messages as they
are the ones that typically carry information from various
routers in a fabric during a traceroute session.

It also avoids complex skb logic if the data_len is not
a multiple of 8.

RFC states :

   The "original datagram" field MUST contain at least 128 octets.
   If the original datagram did not contain 128 octets, the
   "original datagram" field MUST be zero padded to 128 octets.

In practice routers use 128 bytes of original datagram, not more.

Initial translation was added in commit ca15a078bd
("sit: generate icmpv6 error when receiving icmpv4 error")

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Oussama Ghorbel <ghorbel@pivasoftware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-18 22:11:39 -07:00
Kamil Debski
488326947c Input: add HDMI CEC specific keycodes
Add HDMI CEC specific keycodes to the keycodes definition.

Signed-off-by: Kamil Debski <kamil@wypas.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-06-18 10:32:29 -07:00
Hans Verkuil
3720b69baf Input: add BUS_CEC type
Inputs can come in over the HDMI CEC bus, so add a new type for this.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-06-18 10:32:28 -07:00
Oliver Hartkopp
6f3b911d5f can: bcm: add support for CAN FD frames
The programming API of the CAN_BCM depends on struct can_frame which is
given as array directly behind the bcm_msg_head structure. To follow this
schema for the CAN FD frames a new flag 'CAN_FD_FRAME' in the bcm_msg_head
flags indicates that the concatenated CAN frame structures behind the
bcm_msg_head are defined as struct canfd_frame.

This patch adds the support to handle CAN and CAN FD frames on a per BCM-op
base. Main changes:

- generally use struct canfd_frames instead if struct can_frames
- use canfd_frame.flags instead of can_frame.can_dlc for private BCM flags
- make all CAN frame sizes depending on the new CAN_FD_FRAME flags
- separate between CAN and CAN FD when sending/receiving frames

Due to the dependence of the CAN_FD_FRAME flag the former binary interface
for classic CAN frames remains stable.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-17 15:39:46 +02:00
Pablo Neira Ayuso
1463847e93 netfilter: xt_SYNPROXY: include missing <linux/types.h>
./usr/include/linux/netfilter/xt_SYNPROXY.h:11: found __[us]{8,16,32,64} type without #include <linux/types.h>

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-06-17 13:47:40 +02:00
Pablo Neira Ayuso
8f45927c3c netfilter: xt_SYNPROXY: add missing header to Kbuild
Matt Whitlock says:

 Without this line, the file xt_SYNPROXY.h does not get installed in
 /usr/include/linux/netfilter/, and thus user-space programs cannot make
 use of it.

Reported-by: Matt Whitlock <kernel@mattwhitlock.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-06-17 13:47:28 +02:00
Benjamin Tissoires
e456cd37bc i2c: smbus: add SMBus Host Notify support
SMBus Host Notify allows a slave device to act as a master on a bus to
notify the host of an interrupt. On Intel chipsets, the functionality
is directly implemented in the firmware. We just need to export a
function to call .alert() on the proper device driver.

i2c_handle_smbus_host_notify() behaves like i2c_handle_smbus_alert().
When called, it schedules a task that will be able to sleep to go through
the list of devices attached to the adapter.

The current implementation allows one Host Notification to be scheduled
while an other is running.

Tested-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-06-17 13:24:05 +02:00
Fabien Siron
5fb384b066 netlink: Add comment to warn about deprecated netlink rings attribute request
Signed-off-by: Fabien Siron <fabien.siron@epita.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16 14:00:50 -07:00
Philip Prindeville
22a59be8b7 net: ipv4: Add ability to have GRE ignore DF bit in IPv4 payloads
In the presence of firewalls which improperly block ICMP Unreachable
    (including Fragmentation Required) messages, Path MTU Discovery is
    prevented from working.

    A workaround is to handle IPv4 payloads opaquely, ignoring the DF bit--as
    is done for other payloads like AppleTalk--and doing transparent
    fragmentation and reassembly.

    Redux includes the enforcement of mutual exclusion between this feature
    and Path MTU Discovery as suggested by Alexander Duyck.

    Cc: Alexander Duyck <alexander.duyck@gmail.com>
    Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
    Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-15 21:39:59 -07:00
Linus Walleij
61f922db72 gpio: userspace ABI for reading GPIO line events
This adds an ABI for listening to events on GPIO lines.
The mechanism returns an anonymous file handle to a request
to listen to a specific offset on a specific gpiochip.
To fetch the stream of events from the file handle, userspace
simply reads an event.

- Events can be requested with the same flags as ordinary
  handles, i.e. open drain or open source. An ioctl() call
  GPIO_GET_LINEEVENT_IOCTL is issued indicating the desired
  line.

- Events can be requested for falling edge events, rising
  edge events, or both.

- All events are timestamped using the kernel real time
  nanosecond timestamp (the same as is used by IIO).

- The supplied consumer label will appear in "lsgpio"
  listings of the lines, and in /proc/interrupts as the
  mechanism will request an interrupt from the gpio chip.

- Events are not supported on gpiochips that do not serve
  interrupts (no legal .to_irq() call). The event interrupt
  is threaded to avoid any realtime problems.

- It is possible to also directly read the current value
  of the registered GPIO line by issuing the same
  GPIOHANDLE_GET_LINE_VALUES_IOCTL as used by the
  line handles. Setting the value is not supported: we
  do not listen to events on output lines.

This ABI is strongly influenced by Industrial I/O and surpasses
the old sysfs ABI by providing proper precision timestamps,
making it possible to set flags like open drain, and put
consumer names on the GPIO lines.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-06-15 09:29:17 +02:00
Linus Walleij
d7c51b47ac gpio: userspace ABI for reading/writing GPIO lines
This adds a userspace ABI for reading and writing GPIO lines.
The mechanism returns an anonymous file handle to a request
to read/write n offsets from a gpiochip. This file handle
in turn accepts two ioctl()s: one that reads and one that
writes values to the selected lines.

- Handles can be requested as input/output, active low,
  open drain, open source, however when you issue a request
  for n lines with GPIO_GET_LINEHANDLE_IOCTL, they must all
  have the same flags, i.e. all inputs or all outputs, all
  open drain etc. If a granular control of the flags for
  each line is desired, they need to be requested
  individually, not in a batch.

- The GPIOHANDLE_GET_LINE_VALUES_IOCTL read ioctl() can be
  issued also to output lines to verify that the hardware
  is in the expected state.

- It reads and writes up to GPIOHANDLES_MAX lines at once,
  utilizing the .set_multiple() call in the driver if
  possible, making the call efficient if several lines
  can be written with a single register update.

The limitation of GPIOHANDLES_MAX to 64 lines is done under
the assumption that we may expect hardware that can issue a
transaction updating 64 bits at an instant but unlikely
anything larger than that.

ChangeLog v2->v3:
- Use gpiod_get_value_cansleep() so we support also slowpath
  GPIO drivers.
- Fix up the UAPI docs kerneldoc.
- Allocate the anonymous fd last, so that the release
  function don't get called until that point of something
  fails. After this point, skip the errorpath.
ChangeLog v1->v2:
- Handle ioctl_compat() properly based on a similar patch
  to the other ioctl() handling code.
- Use _IOWR() as we pass pointers both in and out of the
  ioctl()
- Use kmalloc() and kfree() for the linehandled, do not
  try to be fancy with devm_* it doesn't work the way I
  thought.
- Fix const-correctness on the linehandle name field.

Acked-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-06-15 09:28:50 +02:00
Ingo Molnar
3559ff9650 Merge branch 'linus' into perf/core, to pick up fixes before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-06-14 11:14:34 +02:00
David S. Miller
d6cf3a85b4 For the next cycle, we have the following:
* the biggest change is Michał's work on integrating FQ/codel
    with the mac80211 internal software queues
  * cfg80211 connect result gets clarified for the
    "no connection at all" case
  * advertisement of per-interface type capabilities, in case
    they differ (which makes a lot of sense for some capabilities)
  * most of the nl80211 & hwsim unprivileged namespace operation
    changes
  * human-readable VHT capabilities in debugfs
  * some other cleanups, like spelling
 -----BEGIN PGP SIGNATURE-----
 
 iQIcBAABCgAGBQJXWWe/AAoJEGt7eEactAAdXVsQAKGkdXGmUU14tfiRCnZryMEH
 GyiVDHQivfcadicbK9599LXadvYc6ATZHfYoSnROwB82NfhKB71N8dUJ4qePxLNa
 lDe5uuuAgxtHG63hK1R02flPorkBAEcUcdHsFSuOw7JWag4/49sCqWH8X5K8E9aT
 vrhaPeppJPydwnmNzNOBvMsLEJFJdZWaEZupZQ0kiJ/jB/howFdzF75GxGQ2jh+F
 dPk22/PtV2igCtntqaty7h057AdZ+znQuiUdVB7eYIOle7veeGyMzFFf0xQ99LAZ
 +xcA7GA74u6m8O6SUVw+6nhrUJ5XTsKGUtmKCTVOcUGa5z7XDD7NIxk2SgloCJkC
 qPqVU8wyBCxKc+6JsyiVSLcB5MWvWxifvo0OyLsbCqhN50bTtJT96ymKOAx4NeSG
 s+TYlV2HgVRNN6PzGvl/ZUo8Mm1UFGWlCBPcyMy9Fwc0jxdhnOAZzOtqV1yVwlCz
 M43RKwxBX6MHAtlfwy6g3M5ievAviwY3Kt+yGeLRIVsJJfOUdQxYAa+m7GTeohD/
 Tns4IHbtWJiLTKuaTvrs4ec3ycXrv7iibMINcarvkTgbbF9Qvarf/e2RoWO/freY
 OUixDdG7HmsY0XIUhSepeMJpn5xIhQ7dkmckhzDEgZqBM6uPJEMB2+O/CGNDsxEp
 VjfnwXJ+9PQrjheBvnD2
 =FvhQ
 -----END PGP SIGNATURE-----

Merge tag 'mac80211-next-for-davem-2016-06-09' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
For the next cycle, we have the following:
 * the biggest change is Michał's work on integrating FQ/codel
   with the mac80211 internal software queues
 * cfg80211 connect result gets clarified for the
   "no connection at all" case
 * advertisement of per-interface type capabilities, in case
   they differ (which makes a lot of sense for some capabilities)
 * most of the nl80211 & hwsim unprivileged namespace operation
   changes
 * human-readable VHT capabilities in debugfs
 * some other cleanups, like spelling
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-10 23:13:32 -07:00
Mike Rapoport
678ece3022 virtio_net: add _UAPI prefix to virtio_net header guards
This gives better namespacing and prevents conflicts with no-uapi version
of virtio_net header that will be introduced in the following patch.

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-10 23:03:55 -07:00
William Tu
f2a4d086ed openvswitch: Add packet truncation support.
The patch adds a new OVS action, OVS_ACTION_ATTR_TRUNC, in order to
truncate packets. A 'max_len' is added for setting up the maximum
packet size, and a 'cutlen' field is to record the number of bytes
to trim the packet when the packet is outputting to a port, or when
the packet is sent to userspace.

Signed-off-by: William Tu <u9012063@gmail.com>
Cc: Pravin Shelar <pshelar@nicira.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-10 17:58:03 -07:00
Linus Torvalds
3d0f0b6a55 Merge branch 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "Has some fixes and some new self tests for btrfs.  The self tests are
  usually disabled in the .config file (unless you're doing btrfs dev
  work), and this bunch is meant to find problems with the 64K page size
  patches.

  Jeff has a patch to help people see if they are using the hardware
  assist crc32c module, which really helps us nail down problems when
  people ask why crcs are using so much CPU.

  Otherwise, it's small fixes"

* 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: self-tests: Fix extent buffer bitmap test fail on BE system
  Btrfs: self-tests: Fix test_bitmaps fail on 64k sectorsize
  Btrfs: self-tests: Use macros instead of constants and add missing newline
  Btrfs: self-tests: Support testing all possible sectorsizes and nodesizes
  Btrfs: self-tests: Execute page straddling test only when nodesize < PAGE_SIZE
  btrfs: advertise which crc32c implementation is being used at module load
  Btrfs: add validadtion checks for chunk loading
  Btrfs: add more validation checks for superblock
  Btrfs: clear uptodate flags of pages in sys_array eb
  Btrfs: self-tests: Support non-4k page size
  Btrfs: Fix integer overflow when calculating bytes_per_bitmap
  Btrfs: test_check_exists: Fix infinite loop when searching for free space entries
  Btrfs: end transaction if we abort when creating uuid root
  btrfs: Use __u64 in exported linux/btrfs.h.
2016-06-10 14:13:27 -07:00
David S. Miller
1578b0a5e9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	net/sched/act_police.c
	net/sched/sch_drr.c
	net/sched/sch_hfsc.c
	net/sched/sch_prio.c
	net/sched/sch_red.c
	net/sched/sch_tbf.c

In net-next the drop methods of the packet schedulers got removed, so
the bug fixes to them in 'net' are irrelevant.

A packet action unload crash fix conflicts with the addition of the
new firstuse timestamp.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-10 11:52:24 -07:00
Linus Torvalds
698ea54dde Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) nfnetlink timestamp taken from wrong skb, fix from Florian Westphal.

 2) Revert some msleep conversions in rtlwifi as these spots are in
    atomic context, from Larry Finger.

 3) Validate that NFTA_SET_TABLE attribute is actually specified when we
    call nf_tables_getset().  From Phil Turnbull.

 4) Don't do mdio_reset in stmmac driver with spinlock held as that can
    sleep, from Vincent Palatin.

 5) sk_filter() does things other than run a BPF filter, so we should
    not elide it's call just because sk->sk_filter is NULL.  Fix from
    Eric Dumazet.

 6) Fix missing backlog updates in several packet schedulers, from Cong
    Wang.

 7) bnx2x driver should allow VLAN add/remove while the interface is
    down, from Michal Schmidt.

 8) Several RDS/TCP race fixes from Sowmini Varadhan.

 9) fq_codel scheduler doesn't return correct queue length in dumps,
    from Eric Dumazet.

10) Fix TCP stats for tail loss probe and early retransmit in ipv6, from
    Yuchung Cheng.

11) Properly initialize udp_tunnel_socket_cfg in l2tp_tunnel_create(),
    from Guillaume Nault.

12) qfq scheduler leaks SKBs if a kzalloc fails, fix from Florian
    Westphal.

13) sock_fprog passed into PACKET_FANOUT_DATA needs compat handling,
    from Willem de Bruijn.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (85 commits)
  vmxnet3: segCnt can be 1 for LRO packets
  packet: compat support for sock_fprog
  stmmac: fix parameter to dwmac4_set_umac_addr()
  net/mlx5e: Fix blue flame quota logic
  net/mlx5e: Use ndo_stop explicitly at shutdown flow
  net/mlx5: E-Switch, always set mc_promisc for allmulti vports
  net/mlx5: E-Switch, Modify node guid on vf set MAC
  net/mlx5: E-Switch, Fix vport enable flow
  net/mlx5: E-Switch, Use the correct error check on returned pointers
  net/mlx5: E-Switch, Use the correct free() function
  net/mlx5: Fix E-Switch flow steering capabilities check
  net/mlx5: Fix flow steering NIC capabilities check
  net/mlx5: Fix root flow table update
  net/mlx5: Fix MLX5_CMD_OP_MAX to be defined correctly
  net/mlx5: Fix masking of reserved bits in XRCD number
  net/mlx5: Fix the size of modify QP mailbox
  mlxsw: spectrum: Don't sleep during ndo_get_phys_port_name()
  mlxsw: spectrum: Make split flow match firmware requirements
  wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel
  cfg80211: remove get/set antenna and tx power warnings
  ...
2016-06-10 08:32:24 -07:00
Linus Torvalds
729d378479 sound fixes for 4.7-rc3
We have only few, mainly HD-audio device-specific fixes.
 Realtek codec driver got a slightly more LOC, but they are all for the
 new codec chip, and won't affect others at all.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABCAAGBQJXWnz2AAoJEGwxgFQ9KSmkedkQALlFUvFHEdj7AoguEXhsaH3v
 rm5B0C8aY8zHqOHtOwtSt9gfwkggrO85CT8bzdHnT6bW+27idxP9SbjKx/+vBcN/
 uKi9w2qpe3O1BZM527BNdhgoSB3kiT+2h2wrlWaVRZP2xI7eWaSYPES0TbzANEup
 RL9GuNw+SMy/vD0kempJKJ8EWWrY/M2qT1q5vReOCZhYB/nYCxMPlmO8nF0LrS+3
 t0IC0f4bnWJ6f1nc5HqHiNf1Evpv+CuIWO57Ob2nw3pemHYWSk1HYYYG9HeLBVR3
 uL3JntF5K2POHP/vlkCRiymPTC1wWlBFQgmSbZ3EClgc7OWiw8C+TaNhRzvDxLTI
 s1p0cgrr1SDGhOmrLTQnCU+CFcXDVLXrB+Q8taZ+p3sKwWGg2qTLo010qjt8t5sW
 mOj7My1vtwYJ2i3Je3HYJ/41HW+ZbwMDEvzqWj2STGzqBsxEKilG+/gGHEF1z7G5
 ySrPJygkpq7QfUEWdn2mMQfihyDC5ow8+eDAj6EGvgZ8DvIxhVvbXPliRL0LR7SZ
 B+A0EAiBUpEVk8s9Gt9TWW4pO+FNKHfMFasVdsfZPvkuwbwDKb5fHdFYAfjQqjUM
 rSuio4FGFwEZqTwnjDD//AezVVM+c3WqlCDIMkKaYaNCJCxR6sh49yZBxUXDW+G6
 TA0BwQBXYJckMO66nMUt
 =7qtG
 -----END PGP SIGNATURE-----

Merge tag 'sound-4.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "We have only few, mainly HD-audio device-specific fixes.  Realtek
  codec driver got a slightly more LOC, but they are all for the new
  codec chip, and won't affect others at all"

* tag 'sound-4.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Add PCI ID for Kabylake
  ALSA: hda/realtek: Add T560 docking unit fixup
  ALSA: hda - Fix headset mic detection problem for Dell machine
  ALSA: uapi: Add three missing header files to Kbuild file
  ALSA: hda/realtek - Add support for new codecs ALC700/ALC701/ALC703
  ALSA: hda/realtek - ALC256 speaker noise issue
2016-06-10 08:27:30 -07:00
Aaron Conole
7d84e37e11 virtio_net: Update the feature bit to comply with spec
A draft version of the MTU Advice feature bit was specified as 25.  This
bit is not within the allowed range for network device feature bits, and
should be changed to be feature bit 3 to fully comply with the spec.

Fixes 14de9d114a ('virtio-net: Add initial MTU advice feature')
Signed-off-by: Aaron Conole <aconole@redhat.com>
Suggested-by: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-09 23:35:26 -07:00
Greg Kroah-Hartman
aabb406008 First round of IIO new device support, features and cleanups for the 4.8 cycle.
New device support
 * ads1015
   - add ads1115 support
 * bma220 accelerometer
   - new driver
   - triggered buffer support.
 * bmc150
   - add bmm150 support.
 * bmp280
   - bme280 support with addition of humidity channel.
 * max5487 potentiometer
   - new driver
 * MMA7660FC accelerometer.
   - New driver
 * st-pressure
   - support for the lps22hb
 * loop trigger.
   - This one is *nasty* but we have real applications (parrot drones) where
   it is useful.  The trigger basically spins as hard as it can firing off
   a new trigger each time all triggered devices come back to say they are
   done.  It doesn't hang a machine even when doing it on a dummy driver.
   A lot nicer than having this implemented within lots of device drivers
   anyway.
 
 Core stuff
 * Add support to create IIO devices via configfs (similar to we did for
 triggers a while back) + docs.
 * New channel types
   - IIO_ELECTRICAL_CONDUCTIVITY
 * Couple of MAINTAINERS patches to list the device tree bindings.
 * Make trigger ops structure non optional (comment fix). It hasn't been for
 an awful long time, but that's not what the description said.
 
 New features
 * ak8975
   - support adapters that are limited to byte data only by allowing the
   emulated block read i2c function that was recently introduced.
 * atlas-ph
   - support atlas-ec (electrical conductivity sensor)
 * bmi160
   - add available frequency and scale attributes to make the driver
   more user friendly (and avoid having to read the datasheet to know
   what will work).
 * dummy
   - move creation to configfs interface.  It's not real hardware so we
   are not that worried about the ABI breakage ;)
 * mma8452
   - oversampling ration support
 * nau7802
   - expose available gains to make life easier for userspace.
 * st-sensors
   - allow use of emulation for SMBus block reads as all the st parts support
   it.
 * ti-ads1015
   - list datasheet names to allow their use by inkernel consumers.
 * Various module alias additions to help auto probing.  Drop one redundant one
 as well.
 
 Cleanups
 * ad7266, ad7476, ad7887, ad7923, ad799x
   - use direct mode claim function rather than open coding it during sensor
   read (prevents switching on buffers mid read).
 * ad7793, ad7791
   - use direct mode claim to prevent frequency changes when buffers running.
 * afe440x - These are ABI breaking but the driver requires custom userspace
   code to do anything useful anyway and that is still being written and under
   control of TI.  Ultimately we may have other libraries to do pulse
   oximetry with these devices but we aren't aware of any yet.
   - kernel-doc format fixes
   - drop ifdef fun around of_match_ptr - it's not worth the mess to save
   a tiny amount of space.
   - drop some unnecessary register initializations.
   - drop the weird locked gain modes as they gain us nothing (can just set
   all gains separately).
   - remove handling of offset attributes seeing as no channels actually have
   them (oops)
   - Drop the LED3 input channel as it's an alias for ALED2.
   - *big one* remove channel names - an experiment that turned out to not
   make sense - see patch for details.
   - use regmap fields to clean up code.
   - tie the tia gain stages to appropriate channels in the ABI as that is
   what they really effect. Same with the LED currents.
   - cleanout some unused defines and fix a missnamed one.
 * atlas-ph
   - reorganise to allow support of other similar parts.
 * bmc150
   - document supported chips in kconfig help.
 * jsa1212
   - drop an unneeded i2c functionality check for functionality the driver
   doesn't use.
 * mxs-lradc
   - simply touch screen registration code.
   - remove the touch screen unregister as all devm based now.
   - disable only those channels that are masked in hardware stop (others
   are already dealt with elsewhere)
 * st-sensors
   - unexport st_sensors_get_buffer_element as nothing outside the st-sensors
   core driver uses it.
   - fix handling of failure to start up regulators.
 * tpl0102
   - drop an i2c functionality test for features that aren't needed.
 * ti-am335x
   - use variable name rather than type in sizeof for clarity.
   - use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.
 
 Tools
 * Add install / uninstall to makefile.  Someone cares, so presumably
 some people will find it useful!
 *  generic_buffer
    - rename to iio_generic_buffer to line up with other tools.
    - handle cleanup when receiving signals
    - Add a --device-num option and a --trigger-num option rather than
    relying on naming which doesn't work if you have two of the same part.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABCAAGBQJXWFXGAAoJEFSFNJnE9BaIQ4kP/jcoVTR8w6EMdcr1BErrvFgm
 IMbMMK8wJtc1dhKcp77h/DQjCunPAaDMgdtg1uJcreRDl1dY1jiFh/PMLrt/eods
 tsJZcN1h40aLlPEdMQFl3oiaWjpUm23gdDtfiCHA+sM/FhQ+A+83EdonU7hbAGT2
 E2NAb5xkC+74WEUit5qEouz++4JRnsJEpBx3A7mwkiUH9RnFA9OflsTdIFSIEbzb
 V4yMWeYBAlhwKPy/7z6/hAMK/+Psabw8FppCAw2HcADVpT517rkl4MpvErSZeFGz
 cr46+ZWhXZ4PaG2jG2xVLpqSbqLSfWp8uqfj0WavW2gFn/1jCB+FST904q7IPVW2
 QPxALqxMAMSzOHxTYmDLfJ4IJ5vvLKroom4ixKgbl7jKXF3+PTooR6U4hGQmLK7K
 VKWjb/kIdHpuRT3/pG2kysMtJkk1av5BBZkl9sWUEFgCd4vYP1eB1Ah3aE/P26OH
 BCueMDaJqKAzmVa6Dx5MCLlJpxHpQl/OBz5wdXiMRbYeky/QHgzaTmi/HZ0wwXvn
 zFHAglWzLq7q0HY+q7wwI20R16cRYIve3HOaLFvQdXd1xpBP1BF+aAxT/vSb+otS
 1OWCEHAxq4XEM7VcRKv9XL59gXuSB8ZaSl6k82+IjjfgOqLHh8BSygVle7iu14TE
 glokfXQRC7xhgfC1zQf9
 =Hq1a
 -----END PGP SIGNATURE-----

Merge tag 'iio-for-4.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of IIO new device support, features and cleanups for the 4.8 cycle.

New device support
* ads1015
  - add ads1115 support
* bma220 accelerometer
  - new driver
  - triggered buffer support.
* bmc150
  - add bmm150 support.
* bmp280
  - bme280 support with addition of humidity channel.
* max5487 potentiometer
  - new driver
* MMA7660FC accelerometer.
  - New driver
* st-pressure
  - support for the lps22hb
* loop trigger.
  - This one is *nasty* but we have real applications (parrot drones) where
  it is useful.  The trigger basically spins as hard as it can firing off
  a new trigger each time all triggered devices come back to say they are
  done.  It doesn't hang a machine even when doing it on a dummy driver.
  A lot nicer than having this implemented within lots of device drivers
  anyway.

Core stuff
* Add support to create IIO devices via configfs (similar to we did for
triggers a while back) + docs.
* New channel types
  - IIO_ELECTRICAL_CONDUCTIVITY
* Couple of MAINTAINERS patches to list the device tree bindings.
* Make trigger ops structure non optional (comment fix). It hasn't been for
an awful long time, but that's not what the description said.

New features
* ak8975
  - support adapters that are limited to byte data only by allowing the
  emulated block read i2c function that was recently introduced.
* atlas-ph
  - support atlas-ec (electrical conductivity sensor)
* bmi160
  - add available frequency and scale attributes to make the driver
  more user friendly (and avoid having to read the datasheet to know
  what will work).
* dummy
  - move creation to configfs interface.  It's not real hardware so we
  are not that worried about the ABI breakage ;)
* mma8452
  - oversampling ration support
* nau7802
  - expose available gains to make life easier for userspace.
* st-sensors
  - allow use of emulation for SMBus block reads as all the st parts support
  it.
* ti-ads1015
  - list datasheet names to allow their use by inkernel consumers.
* Various module alias additions to help auto probing.  Drop one redundant one
as well.

Cleanups
* ad7266, ad7476, ad7887, ad7923, ad799x
  - use direct mode claim function rather than open coding it during sensor
  read (prevents switching on buffers mid read).
* ad7793, ad7791
  - use direct mode claim to prevent frequency changes when buffers running.
* afe440x - These are ABI breaking but the driver requires custom userspace
  code to do anything useful anyway and that is still being written and under
  control of TI.  Ultimately we may have other libraries to do pulse
  oximetry with these devices but we aren't aware of any yet.
  - kernel-doc format fixes
  - drop ifdef fun around of_match_ptr - it's not worth the mess to save
  a tiny amount of space.
  - drop some unnecessary register initializations.
  - drop the weird locked gain modes as they gain us nothing (can just set
  all gains separately).
  - remove handling of offset attributes seeing as no channels actually have
  them (oops)
  - Drop the LED3 input channel as it's an alias for ALED2.
  - *big one* remove channel names - an experiment that turned out to not
  make sense - see patch for details.
  - use regmap fields to clean up code.
  - tie the tia gain stages to appropriate channels in the ABI as that is
  what they really effect. Same with the LED currents.
  - cleanout some unused defines and fix a missnamed one.
* atlas-ph
  - reorganise to allow support of other similar parts.
* bmc150
  - document supported chips in kconfig help.
* jsa1212
  - drop an unneeded i2c functionality check for functionality the driver
  doesn't use.
* mxs-lradc
  - simply touch screen registration code.
  - remove the touch screen unregister as all devm based now.
  - disable only those channels that are masked in hardware stop (others
  are already dealt with elsewhere)
* st-sensors
  - unexport st_sensors_get_buffer_element as nothing outside the st-sensors
  core driver uses it.
  - fix handling of failure to start up regulators.
* tpl0102
  - drop an i2c functionality test for features that aren't needed.
* ti-am335x
  - use variable name rather than type in sizeof for clarity.
  - use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.

Tools
* Add install / uninstall to makefile.  Someone cares, so presumably
some people will find it useful!
*  generic_buffer
   - rename to iio_generic_buffer to line up with other tools.
   - handle cleanup when receiving signals
   - Add a --device-num option and a --trigger-num option rather than
   relying on naming which doesn't work if you have two of the same part.
2016-06-09 09:15:58 -07:00
Johannes Berg
1dad640b9e wext: reformat struct/union declarations
Everytime I need to look for these, my usual strategy fails
because it assumes the right formatting. Fix the formatting
here to make it consistent with the rest of the kernel.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-06-09 10:14:39 +02:00
David Ahern
96c63fa739 net: Add l3mdev rule
Currently, VRFs require 1 oif and 1 iif rule per address family per
VRF. As the number of VRF devices increases it brings scalability
issues with the increasing rule list. All of the VRF rules have the
same format with the exception of the specific table id to direct the
lookup. Since the table id is available from the oif or iif in the
loopup, the VRF rules can be consolidated to a single rule that pulls
the table from the VRF device.

This patch introduces a new rule attribute l3mdev. The l3mdev rule
means the table id used for the lookup is pulled from the L3 master
device (e.g., VRF) rather than being statically defined. With the
l3mdev rule all of the basic VRF FIB rules are reduced to 1 l3mdev
rule per address family (IPv4 and IPv6).

If an admin wishes to insert higher priority rules for specific VRFs
those rules will co-exist with the l3mdev rule. This capability means
current VRF scripts will co-exist with this new simpler implementation.

Currently, the rules list for both ipv4 and ipv6 look like this:
    $ ip  ru ls
    1000:       from all oif vrf1 lookup 1001
    1000:       from all iif vrf1 lookup 1001
    1000:       from all oif vrf2 lookup 1002
    1000:       from all iif vrf2 lookup 1002
    1000:       from all oif vrf3 lookup 1003
    1000:       from all iif vrf3 lookup 1003
    1000:       from all oif vrf4 lookup 1004
    1000:       from all iif vrf4 lookup 1004
    1000:       from all oif vrf5 lookup 1005
    1000:       from all iif vrf5 lookup 1005
    1000:       from all oif vrf6 lookup 1006
    1000:       from all iif vrf6 lookup 1006
    1000:       from all oif vrf7 lookup 1007
    1000:       from all iif vrf7 lookup 1007
    1000:       from all oif vrf8 lookup 1008
    1000:       from all iif vrf8 lookup 1008
    ...
    32765:      from all lookup local
    32766:      from all lookup main
    32767:      from all lookup default

With the l3mdev rule the list is just the following regardless of the
number of VRFs:
    $ ip ru ls
    1000:       from all lookup [l3mdev table]
    32765:      from all lookup local
    32766:      from all lookup main
    32767:      from all lookup default

(Note: the above pretty print of the rule is based on an iproute2
       prototype. Actual verbage may change)

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-08 11:36:02 -07:00
Ingo Molnar
616d1c1b98 Merge branch 'linus' into perf/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-06-08 09:26:46 +02:00
Colin Ian King
7b01b8e847 gtp: #define _UAPI_LINUX_GTP_H_ and not _UAPI_LINUX_GTP_H__
Fix clang build warning:

./include/uapi/linux/gtp.h:1:9: warning: '_UAPI_LINUX_GTP_H_' is
used as a header guard here, followed by #define of a different
macro [-Wheader-guard]

fix by defining  _UAPI_LINUX_GTP_H_ and not _UAPI_LINUX_GTP_H__

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 16:25:49 -07:00
Jamal Hadi Salim
0b0f43fe2e net sched: indentation and other OCD stylistic fixes
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
2016-06-07 15:53:54 -07:00
Jamal Hadi Salim
53eb440f4a net sched actions: introduce timestamp for firsttime use
Useful to know when the action was first used for accounting
(and debugging)

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-07 15:53:43 -07:00
Aaron Conole
14de9d114a virtio-net: Add initial MTU advice feature
This commit adds the feature bit and associated mtu device entry for the
virtio network device.  When a virtio device comes up, it checks the
feature bit for the VIRTIO_NET_F_MTU feature.  If such feature bit is
enabled, the driver will read the advised MTU and use it as the initial
value.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-06 21:08:49 -04:00
Linus Torvalds
6b15d6650c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix negative error code usage in ATM layer, from Stefan Hajnoczi.

 2) If CONFIG_SYSCTL is disabled, the default TTL is not initialized
    properly.  From Ezequiel Garcia.

 3) Missing spinlock init in mvneta driver, from Gregory CLEMENT.

 4) Missing unlocks in hwmb error paths, also from Gregory CLEMENT.

 5) Fix deadlock on team->lock when propagating features, from Ivan
    Vecera.

 6) Work around buffer offset hw bug in alx chips, from Feng Tang.

 7) Fix double listing of SCTP entries in sctp_diag dumps, from Xin
    Long.

 8) Various statistics bug fixes in mlx4 from Eric Dumazet.

 9) Fix some randconfig build errors wrt fou ipv6 from Arnd Bergmann.

10) All of l2tp was namespace aware, but the ipv6 support code was not
    doing so.  From Shmulik Ladkani.

11) Handle on-stack hrtimers properly in pktgen, from Guenter Roeck.

12) Propagate MAC changes properly through VLAN devices, from Mike
    Manning.

13) Fix memory leak in bnx2x_init_one(), from Vitaly Kuznetsov.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
  sfc: Track RPS flow IDs per channel instead of per function
  usbnet: smsc95xx: fix link detection for disabled autonegotiation
  virtio_net: fix virtnet_open and virtnet_probe competing for try_fill_recv
  bnx2x: avoid leaking memory on bnx2x_init_one() failures
  fou: fix IPv6 Kconfig options
  openvswitch: update checksum in {push,pop}_mpls
  sctp: sctp_diag should dump sctp socket type
  net: fec: update dirty_tx even if no skb
  vlan: Propagate MAC address to VLANs
  atm: iphase: off by one in rx_pkt()
  atm: firestream: add more reserved strings
  vxlan: Accept user specified MTU value when create new vxlan link
  net: pktgen: Call destroy_hrtimer_on_stack()
  timer: Export destroy_hrtimer_on_stack()
  net: l2tp: Make l2tp_ip6 namespace aware
  Documentation: ip-sysctl.txt: clarify secure_redirects
  sfc: use flow dissector helpers for aRFS
  ieee802154: fix logic error in ieee802154_llsec_parse_dev_addr
  net: nps_enet: Disable interrupts before napi reschedule
  net/lapb: tuse %*ph to dump buffers
  ...
2016-05-31 22:28:28 -07:00
Robert P. J. Day
0358ccc8ff ALSA: uapi: Add three missing header files to Kbuild file
include/uapi/sound/Kbuild was missing the inclusion of three header
files in that directory.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-05-31 17:33:32 +02:00
Kanchanapally, Vidyullatha
019ae3a918 cfg80211: Advertise extended capabilities per interface type to userspace
The driver extended capabilities may differ for different
interface types which the userspace needs to know (for
example the fine timing measurement initiator and responder
bits might differ for a station and AP). Add a new nl80211
attribute to provide extended capabilities per interface type
to userspace.

Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Reviewed-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-05-31 15:23:13 +02:00
Jouni Malinen
bf1ecd2105 cfg80211: Allow cfg80211_connect_result() errors to be distinguished
Previously, the status parameter to cfg80211_connect_result() was
documented as using WLAN_STATUS_UNSPECIFIED_FAILURE (1) when the real
status code for the failure is not known. This value can be used by an
AP (and often is) and as such, user space cannot distinguish between
explicitly rejected authentication/association and not being able to
even try to associate or not receiving a response from the AP.

Add a new inline function, cfg80211_connect_timeout(), to be used when
the driver knows that the connection attempt failed due to a reason
where connection could not be attempt or no response was received from
the AP. The internal functions now allow a negative status value (-1) to
be used as an indication of this special case. This results in the
NL80211_ATTR_TIMED_OUT to be added to the NL80211_CMD_CONNECT event to
allow user space to determine this case was hit. For backwards
compatibility, NL80211_STATUS_CODE with the value
WLAN_STATUS_UNSPECIFIED_FAILURE is still indicated in the event in such
a case.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[johannes: fix cfg80211_connect_bss() prototype to use int for status,
 add cfg80211_connect_timeout() to docbook, fix docbook]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-05-31 15:22:15 +02:00
Arnaldo Carvalho de Melo
97c79a38cd perf core: Per event callchain limit
Additionally to being able to control the system wide maximum depth via
/proc/sys/kernel/perf_event_max_stack, now we are able to ask for
different depths per event, using perf_event_attr.sample_max_stack for
that.

This uses an u16 hole at the end of perf_event_attr, that, when
perf_event_attr.sample_type has the PERF_SAMPLE_CALLCHAIN, if
sample_max_stack is zero, means use perf_event_max_stack, otherwise
it'll be bounds checked under callchain_mutex.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Zefan Li <lizefan@huawei.com>
Link: http://lkml.kernel.org/n/tip-kolmn1yo40p7jhswxwrc7rrd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-05-30 12:41:44 -03:00
Vinson Lee
1691cf1600 btrfs: Use __u64 in exported linux/btrfs.h.
This patch fixes this build error.

/usr/include/linux/btrfs.h:121:3: error: unknown type name ‘u64’
   u64 devid;
   ^~~

Fixes: 6b526ed70c ("btrfs: introduce device delete by devid")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Signed-off-by: David Sterba <dsterba@suse.com>
2016-05-30 13:50:02 +02:00
Matt Ranostay
4b9d2090a4 iio: electricalconductivity: add IIO_ELECTRICALCONDUCTIVITY type
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29 20:03:21 +01:00
Linus Torvalds
0723ab4a97 sound updates #2 for 4.7-rc1
This is the second update round for 4.7-rc1.  Most of changes are
 about the pending ASoC updates and fixes, including a few new
 drivers.  Below are some highlights:
 
 ASoC:
 - New drivers for MAX98371 and TAS5720
 - SPI support for TLV320AIC32x4, along with the module split
 - TDM support for STI Uniperf IPs
 - Remaining topology API fixes / updates
 
 HDA:
 - A couple of Dell quirks and new Realtek codec support
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABCAAGBQJXSLGwAAoJEGwxgFQ9KSmkKz4P/2xpAXcwjT/g/WgeNVsZLnxd
 vs1KlMPSWXLHY7ESZB+oDYtw5pAQWta2gKnG3T0QpkEtyqcyvEAUch55SfPbkDWz
 bRwboK91NF9Cfrso+QnUG1HdpaeDsNydiAR5u2sdemQG+rh8TmWXNmFsuqPptjbm
 LP6Spf8Ia2TYAvagZOB+2UTl7Jq8jMXiYP3aGWMHm7P/kREMQkSWcQ9U8F8UK92G
 5D0qKGvChsd23ybGUL1nBM7wBvErFoKd4Xa1zMudQt8EkTjistdgm24v3PO+lKDv
 JYiEugOZctzqtQVUlQMXcIqrlsafXwJN7ttKGst9gj32bM+a7EW0TGG0KyhxXI5w
 fRgGU7AJwncs9hBzEPBfc6Jms85THN2HpusU61ZYpyFAhLnHAOL7iIZnNKY8Pyyg
 tOPY2lTwHD9ic9EiC33/IypT50n0lBOi7X+YE7lGWdm2jXNvxtFv1jUw99kx25fj
 UaFNQaDYXXDKO1POCFrHpIq+jJ71Jmk7mXktI75wfuLyX3PSPyFg8OBbYVbTWkbL
 xdSqBs6LCESZ1iV9mauxwPSex44BpaMB3E0TA+7iN3+0Uwdfxe0OoLnX6dGiLSZJ
 QenFu/EDdCsA8rlrDy7AS1e5ulpYsTY1KGSZbfNzMdNsmD2XC3FdZHEF5PAC4wZQ
 EnNaik6InJgHlMF/6MXo
 =uNKQ
 -----END PGP SIGNATURE-----

Merge tag 'sound-4.7-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull more sound updates from Takashi Iwai:
 "This is the second update round for 4.7-rc1.  Most of changes are
  about the pending ASoC updates and fixes, including a few new drivers.
  Below are some highlights:

  ASoC:
   - New drivers for MAX98371 and TAS5720
   - SPI support for TLV320AIC32x4, along with the module split
   - TDM support for STI Uniperf IPs
   - Remaining topology API fixes / updates

  HDA:
   - A couple of Dell quirks and new Realtek codec support"

* tag 'sound-4.7-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (63 commits)
  ALSA: hda - Fix headset mic detection problem for one Dell machine
  spi: spi-ep93xx: Fix the PTR_ERR() argument
  ALSA: hda/realtek - Add support for ALC295/ALC3254
  ASoC: kirkwood: fix build failure
  ALSA: hda - Fix headphone noise on Dell XPS 13 9360
  ASoC: ak4642: Enable cache usage to fix crashes on resume
  ASoC: twl6040: Disconnect AUX output pads on digital mute
  ASoC: tlv320aic32x4: Properly implement the positive and negative pins into the mixers
  rcar: src: skip disabled-SRC nodes
  ASoC: max98371 Remove duplicate entry in max98371_reg
  ASoC: twl6040: Select LPPLL during standby
  ASoC: rsnd: don't use prohibited number to PDMACHCRn.SRS
  ASoC: simple-card: Add pm callbacks to platform driver
  ASoC: pxa: Fix module autoload for platform drivers
  ASoC: topology: Fix memory leak in widget creation
  ASoC: Add max98371 codec driver
  ASoC: rsnd: count .probe/.remove for rsnd_mod_call()
  ASoC: topology: Check size mismatch of ABI objects before parsing
  ASoC: topology: Check failure to create a widget
  ASoC: add support for TAS5720 digital amplifier
  ...
2016-05-28 12:23:12 -07:00
Linus Torvalds
1cbe06c3cf Round two of 4.7 merge window patches
- Dynamic counter infrastructure in the IB drivers
   This is a sysfs based code to allow free form access to the hardware
   counters RDMA devices might support so drivers don't need to code
   this up repeatedly themselves
 - SendOnlyFullMember multicast support
 - IB router support
 - A couple misc fixes
 - The big item on the list: hfi1 driver updates, plus moving the hfi1
   driver out of staging
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJXRyupAAoJELgmozMOVy/deHAQAJp87yn8hntHXh81Kjrvezch
 McJ0v7FTsfsLVe/Y+YAbaAREjanhnUDzZ36WUqS9rHadOl+Ia0fD+M53aTk9hDKS
 R9/oWQDsUb8k7imdhNrSS72Q2kbwr++8RqBoEEFcl4fuDCVsrRhUaf+perJTEnoK
 I9APDQCNU3FCTPFRllK5al6gi5UGEW9vO9JQZb+VnTVW9+LjlYobzcZfttAw8oRN
 rtQLP3xGb7ZwV0ngH0dt2TthN2ih97TavnISojTdJ5I+WHFxLV0YbHSK/E2JLdoi
 hVknhrflPIKr+mRVv97yCCz92kGAdTKG3sT9vNUVUQ0Y8kEdrW/LrnrmxsBEYzkl
 GcQeqg7//ffOlQ0dGZZjlkPg/8yMPo9CBsfPDcOvXeenK0lkao9qg2yrIz+CBC/9
 YlpUKfL0JLRal9O6y3Mh++ZQ9R1kvQN8/CgHLUlRQdWLfxf7VPA4rIcaWT7iGfvg
 z6jIJKjsK+hqKhY9oKh3YfNmXh65IQ5OF3+tBzHKwNiGXNSsMYAVYP3vc/HYTJvz
 4EpsenndKb5l0AOvDch8rMmw7YZPf2NOdi90TW6Bq1VgTIDRxh0WzR2QTnWBVRSf
 XAcC3DLXTHqC/UUpHrdXgfvU/0nQXaVUvPWIAM/t3hy91GLscByDw4973+tISs/B
 7AHSptbVQaBUpTjWHfKf
 =5+cf
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull more rdma updates from Doug Ledford:
 "This is the second group of code for the 4.7 merge window.  It looks
  large, but only in one sense.  I'll get to that in a minute.  The list
  of changes here breaks down as follows:

   - Dynamic counter infrastructure in the IB drivers

     This is a sysfs based code to allow free form access to the
     hardware counters RDMA devices might support so drivers don't need
     to code this up repeatedly themselves

   - SendOnlyFullMember multicast support

   - IB router support

   - A couple misc fixes

   - The big item on the list: hfi1 driver updates, plus moving the hfi1
     driver out of staging

  There was a group of 15 patches in the hfi1 list that I thought I had
  in the first pull request but they weren't.  So that added to the
  length of the hfi1 section here.

  As far as these go, everything but the hfi1 is pretty straight
  forward.

  The hfi1 is, if you recall, the driver that Al had complaints about
  how it used the write/writev interfaces in an overloaded fashion.  The
  write portion of their interface behaved like the write handler in the
  IB stack proper and did bi-directional communications.  The writev
  interface, on the other hand, only accepts SDMA request structures.
  The completions for those structures are sent back via an entirely
  different event mechanism.

  With the security patch, we put security checks on the write
  interface, however, we also knew they would be going away soon.  Now,
  we've converted the write handler in the hfi1 driver to use ioctls
  from the IB reserved magic area for its bidirectional communications.
  With that change, Intel has addressed all of the items originally on
  their TODO when they went into staging (as well as many items added to
  the list later).

  As such, I moved them out, and since they were the last item in the
  staging/rdma directory, and I don't have immediate plans to use the
  staging area again, I removed the staging/rdma area.

  Because of the move out of staging, as well as a series of 5 patches
  in the hfi1 driver that removed code people thought should be done in
  a different way and was optional to begin with (a snoop debug
  interface, an eeprom driver for an eeprom connected directory to their
  hfi1 chip and not via an i2c bus, and a few other things like that),
  the line count, especially the removal count, is high"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (56 commits)
  staging/rdma: Remove the entire rdma subdirectory of staging
  IB/core: Make device counter infrastructure dynamic
  IB/hfi1: Fix pio map initialization
  IB/hfi1: Correct 8051 link parameter settings
  IB/hfi1: Update pkey table properly after link down or FM start
  IB/rdamvt: Fix rdmavt s_ack_queue sizing
  IB/rdmavt: Max atomic value should be a u8
  IB/hfi1: Fix hard lockup due to not using save/restore spin lock
  IB/hfi1: Add tracing support for send with invalidate opcode
  IB/hfi1, qib: Add ieth to the packet header definitions
  IB/hfi1: Move driver out of staging
  IB/hfi1: Do not free hfi1 cdev parent structure early
  IB/hfi1: Add trace message in user IOCTL handling
  IB/hfi1: Remove write(), use ioctl() for user cmds
  IB/hfi1: Add ioctl() interface for user commands
  IB/hfi1: Remove unused user command
  IB/hfi1: Remove snoop/diag interface
  IB/hfi1: Remove EPROM functionality from data device
  IB/hfi1: Remove UI char device
  IB/hfi1: Remove multiple device cdev
  ...
2016-05-28 11:04:16 -07:00
Linus Torvalds
564884fbde Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "A set of fixes that wasn't included in the first merge window pull
  request.  This pull request contains:

   - A set of NVMe fixes from Keith, and one from Nic for the integrity
     side of it.

   - Fix from Ming, clearing ->mq_ops if we don't successfully setup a
     queue for multiqueue.

   - A set of stability fixes for bcache from Jiri, and also marking
     bcache as orphaned as it's no longer actively maintained (in
     mainline, at least)"

* 'for-linus' of git://git.kernel.dk/linux-block:
  blk-mq: clear q->mq_ops if init fail
  MAINTAINERS: mark bcache as orphan
  bcache: bch_gc_thread() is not freezable
  bcache: bch_allocator_thread() is not freezable
  bcache: bch_writeback_thread() is not freezable
  nvme/host: Add missing blk_integrity tag_size + flags assignments
  NVMe: Add device ID's with stripe quirk
  NVMe: Short-cut removal on surprise hot-unplug
  NVMe: Allow user initiated rescan
  NVMe: Reduce driver log spamming
  NVMe: Unbind driver on failure
  NVMe: Delete only created queues
  NVMe: Allocate queues only for online cpus
2016-05-27 14:28:09 -07:00
Takashi Iwai
eb4606e64a ASoC: Updates for v4.7 part 2
Really sorry about this late pull request.  It looks like at the time I
 sent my pull request for v4.7 there was some conflict or other issue
 which caused my script to stop merging the ASoC branches at some point
 after the HDMI changes.
 
 It's all specific driver updates, including:
 
  - New drivers for MAX98371 and TAS5720.
  - SPI support for TLV320AIC32x4.
  - TDM support for STI Uniperf IPs.
 
 This code should all have been in -next prior to the merge window apart
 from some fixes, it dropped out on the 18th.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJXSEQkAAoJECTWi3JdVIfQsPoH/jDJ/Eo95aq2UWBqjNbGCahZ
 GIiV6TsSnfbg+UIiEvnJUt0ABa0NYKbyOGUny+NC/gLUt4n3FvzGSGGXs/pkuR9R
 kF07daPDyQp2uz2GFjN45JLZJV/P1ofkJTsjYnqqqup15XW7EA0F5KbTiOhd+VIc
 GlgUHZGMpxVYCc9bS59ZW2V/X1Epzuh8cKD3+I1vyYo6UZbsKMPzhS3aksCM5cMO
 h3uifB4hgS26x+0Yrinj0capUalmS+N7isMtL3r/c0Z8DGRiHZOZuMnfoGavNek+
 qR/SbOpj2Lj6J9Xut63xtoLAo/JNj7Fk7xYxkOxlpO8+Jqk9KgEKEM/Va3xLJ+M=
 =yEWH
 -----END PGP SIGNATURE-----

Merge tag 'asoc-v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.7 part 2

Really sorry about this late pull request.  It looks like at the time I
sent my pull request for v4.7 there was some conflict or other issue
which caused my script to stop merging the ASoC branches at some point
after the HDMI changes.

It's all specific driver updates, including:

 - New drivers for MAX98371 and TAS5720.
 - SPI support for TLV320AIC32x4.
 - TDM support for STI Uniperf IPs.

This code should all have been in -next prior to the merge window apart
from some fixes, it dropped out on the 18th.
2016-05-27 17:16:53 +02:00
Mark Brown
4c1c16d9a9 Merge remote-tracking branch 'asoc/topic/topology' into asoc-next 2016-05-27 13:45:36 +01:00
Doug Ledford
8779e7658d Merge branch 'hfi1-2' into k.o/for-4.7 2016-05-26 12:50:05 -04:00
Dennis Dalessandro
380fb94288 IB/hfi1: Remove write(), use ioctl() for user cmds
Remove the write() handler for user space commands now that ioctl
handling is available. User apps will need to change to use ioctl from
this point forward.

Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-05-26 11:35:13 -04:00