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To make mlx5 user driver aware of whether kernel driver returns dmac
in user data response add a new flag that will be returned back to
user-space through alloc_ucontext.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add ib_uverbs_flow_spec_tunnel to define the rule to match Vxlan,
the type, size, reserved fields are identical to rest of the protocols,
and are used to identify the spec.
The tunnel id is the vni value of the Vxlan protocol, and it is used
as part of the steering rule, it is limited by the mask.
The steering rule configured on the hardware does a match
according to vni and other protocols.
In the same way as rest of the protocols that we match,
the uniq field's of each protocol are represented on
the val and the mask.
Signed-off-by: Moses Reuben <mosesr@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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CQE compressing reduces PCI overhead by coalescing and compressing
multiple CQEs into a single merged CQE. Successful compressing
improves message rate especially for small packet traffic.
CQE compressing is supported for all 64B CQE formats (with certain
limitations) generated by RQ/Responder or by SQ/Requestor.
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The capabilities include:
- Max number of compressed and aggregated CQEs in a single session,
while zero means unsupported.
- For Responder, there are two formats of mini CQE: mini CQE with Rx
hash and mini CQE with checksum. They're mutual exclusive.
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The capabilities whether hardware support multi packet WQE or not is
exposed to user space through query_device by uhw.
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Pull block layer updates from Jens Axboe:
"This is the main block pull request this series. Contrary to previous
release, I've kept the core and driver changes in the same branch. We
always ended up having dependencies between the two for obvious
reasons, so makes more sense to keep them together. That said, I'll
probably try and keep more topical branches going forward, especially
for cycles that end up being as busy as this one.
The major parts of this pull request is:
- Improved support for O_DIRECT on block devices, with a small
private implementation instead of using the pig that is
fs/direct-io.c. From Christoph.
- Request completion tracking in a scalable fashion. This is utilized
by two components in this pull, the new hybrid polling and the
writeback queue throttling code.
- Improved support for polling with O_DIRECT, adding a hybrid mode
that combines pure polling with an initial sleep. From me.
- Support for automatic throttling of writeback queues on the block
side. This uses feedback from the device completion latencies to
scale the queue on the block side up or down. From me.
- Support from SMR drives in the block layer and for SD. From Hannes
and Shaun.
- Multi-connection support for nbd. From Josef.
- Cleanup of request and bio flags, so we have a clear split between
which are bio (or rq) private, and which ones are shared. From
Christoph.
- A set of patches from Bart, that improve how we handle queue
stopping and starting in blk-mq.
- Support for WRITE_ZEROES from Chaitanya.
- Lightnvm updates from Javier/Matias.
- Supoort for FC for the nvme-over-fabrics code. From James Smart.
- A bunch of fixes from a whole slew of people, too many to name
here"
* 'for-4.10/block' of git://git.kernel.dk/linux-block: (182 commits)
blk-stat: fix a few cases of missing batch flushing
blk-flush: run the queue when inserting blk-mq flush
elevator: make the rqhash helpers exported
blk-mq: abstract out blk_mq_dispatch_rq_list() helper
blk-mq: add blk_mq_start_stopped_hw_queue()
block: improve handling of the magic discard payload
blk-wbt: don't throttle discard or write zeroes
nbd: use dev_err_ratelimited in io path
nbd: reset the setup task for NBD_CLEAR_SOCK
nvme-fabrics: Add FC LLDD loopback driver to test FC-NVME
nvme-fabrics: Add target support for FC transport
nvme-fabrics: Add host support for FC transport
nvme-fabrics: Add FC transport LLDD api definitions
nvme-fabrics: Add FC transport FC-NVME definitions
nvme-fabrics: Add FC transport error codes to nvme.h
Add type 0x28 NVME type code to scsi fc headers
nvme-fabrics: patch target code in prep for FC transport support
nvme-fabrics: set sqe.command_id in core not transports
parser: add u64 number parser
nvme-rdma: align to generic ib_event logging helper
...
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Pull drm updates from Dave Airlie:
"This is the main pull request for drm for 4.10 kernel.
New drivers:
- ZTE VOU display driver (zxdrm)
- Amlogic Meson Graphic Controller GXBB/GXL/GXM SoCs (meson)
- MXSFB support (mxsfb)
Core:
- Format handling has been reworked
- Better atomic state debugging
- drm_mm leak debugging
- Atomic explicit fencing support
- fbdev helper ops
- Documentation updates
- MST fbcon fixes
Bridge:
- Silicon Image SiI8620 driver
Panel:
- Add support for new simple panels
i915:
- GVT Device model
- Better HDMI2.0 support on skylake
- More watermark fixes
- GPU idling rework for suspend/resume
- DP Audio workarounds
- Scheduler prep-work
- Opregion CADL handling
- GPU scheduler and priority boosting
amdgfx/radeon:
- Support for virtual devices
- New VM manager for non-contig VRAM buffers
- UVD powergating
- SI register header cleanup
- Cursor fixes
- Powermanagement fixes
nouveau:
- Powermangement reworks for better voltage/clock changes
- Atomic modesetting support
- Displayport Multistream (MST) support.
- GP102/104 hang and cursor fixes
- GP106 support
hisilicon:
- hibmc support (BMC chip for aarch64 servers)
armada:
- add tracing support for overlay change
- refactor plane support
- de-midlayer the driver
omapdrm:
- Timing code cleanups
rcar-du:
- R8A7792/R8A7796 support
- Misc fixes.
sunxi:
- A31 SoC display engine support
imx-drm:
- YUV format support
- Cleanup plane atomic update
mali-dp:
- Misc fixes
dw-hdmi:
- Add support for HDMI i2c master controller
tegra:
- IOMMU support fixes
- Error handling fixes
tda998x:
- Fix connector registration
- Improved robustness
- Fix infoframe/audio compliance
virtio:
- fix busid issues
- allocate more vbufs
qxl:
- misc fixes and cleanups.
vc4:
- Fragment shader threading
- ETC1 support
- VEC (tv-out) support
msm:
- A5XX GPU support
- Lots of atomic changes
tilcdc:
- Misc fixes and cleanups.
etnaviv:
- Fix dma-buf export path
- DRAW_INSTANCED support
- fix driver on i.MX6SX
exynos:
- HDMI refactoring
fsl-dcu:
- fbdev changes"
* tag 'drm-for-v4.10' of git://people.freedesktop.org/~airlied/linux: (1343 commits)
drm/nouveau/kms/nv50: fix atomic regression on original G80
drm/nouveau/bl: Do not register interface if Apple GMUX detected
drm/nouveau/bl: Assign different names to interfaces
drm/nouveau/bios/dp: fix handling of LevelEntryTableIndex on DP table 4.2
drm/nouveau/ltc: protect clearing of comptags with mutex
drm/nouveau/gr/gf100-: handle GPC/TPC/MPC trap
drm/nouveau/core: recognise GP106 chipset
drm/nouveau/ttm: wait for bo fence to signal before unmapping vmas
drm/nouveau/gr/gf100-: FECS intr handling is not relevant on proprietary ucode
drm/nouveau/gr/gf100-: properly ack all FECS error interrupts
drm/nouveau/fifo/gf100-: recover from host mmu faults
drm: Add fake controlD* symlinks for backwards compat
drm/vc4: Don't use drm_put_dev
drm/vc4: Document VEC DT binding
drm/vc4: Add support for the VEC (Video Encoder) IP
drm: Add TV connector states to drm_connector_state
drm: Turn DRM_MODE_SUBCONNECTOR_xx definitions into an enum
drm/vc4: Fix ->clock_select setting for the VEC encoder
drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well
drm/amdgpu: use pin rather than pin_restricted in a few cases
...
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Pull VFIO updates from Alex Williamson:
- VFIO updates for v4.10 primarily include a new Mediated Device
interface, which essentially allows software defined devices to be
exposed to users through VFIO. The host vendor driver providing this
virtual device polices, or mediates user access to the device.
These devices often incorporate portions of real devices, for
instance the primary initial users of this interface expose vGPUs
which allow the user to map mediated devices, or mdevs, to a portion
of a physical GPU. QEMU composes these mdevs into PCI representations
using the existing VFIO user API. This enables both Intel KVM-GT
support, which is also expected to arrive into Linux mainline during
the v4.10 merge window, as well as NVIDIA vGPU, and also Channel I/O
devices (aka CCW devices) for s390 virtualization support. (Kirti
Wankhede, Neo Jia)
- Drop unnecessary uses of pcibios_err_to_errno() (Cao Jin)
- Fixes to VFIO capability chain handling (Eric Auger)
- Error handling fixes for fallout from mdev (Christophe JAILLET)
- Notifiers to expose struct kvm to mdev vendor drivers (Jike Song)
- type1 IOMMU model search fixes (Kirti Wankhede, Neo Jia)
* tag 'vfio-v4.10-rc1' of git://github.com/awilliam/linux-vfio: (30 commits)
vfio iommu type1: Fix size argument to vfio_find_dma() in pin_pages/unpin_pages
vfio iommu type1: Fix size argument to vfio_find_dma() during DMA UNMAP.
vfio iommu type1: WARN_ON if notifier block is not unregistered
kvm: set/clear kvm to/from vfio_group when group add/delete
vfio: support notifier chain in vfio_group
vfio: vfio_register_notifier: classify iommu notifier
vfio: Fix handling of error returned by 'vfio_group_get_from_dev()'
vfio: fix vfio_info_cap_add/shift
vfio/pci: Drop unnecessary pcibios_err_to_errno()
MAINTAINERS: Add entry VFIO based Mediated device drivers
docs: Sample driver to demonstrate how to use Mediated device framework.
docs: Sysfs ABI for mediated device framework
docs: Add Documentation for Mediated devices
vfio: Define device_api strings
vfio_platform: Updated to use vfio_set_irqs_validate_and_prepare()
vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare()
vfio: Introduce vfio_set_irqs_validate_and_prepare()
vfio_pci: Update vfio_pci to use vfio_info_add_capability()
vfio: Introduce common function to add capabilities
vfio iommu: Add blocking notifier to notify DMA_UNMAP
...
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Pull MMC updates from Ulf Hansson:
"It's been an busy period for mmc. Quite some changes in the mmc core,
two new mmc host drivers, some existing drivers being extended to
support new IP versions and lots of other updates.
MMC core:
- Delete eMMC packed command support
- Introduce mmc_abort_tuning() to enable eMMC tuning to fail
gracefully
- Introduce mmc_can_retune() to see if a host can be retuned
- Re-work and improve the sequence when sending a CMD6 for mmc
- Enable CDM13 polling when switching to HS and HS DDR mode for mmc
- Relax checking for CMD6 errors after switch to HS200
- Re-factoring the code dealing with the mmc block queue
- Recognize whether the eMMC card supports CMDQ
- Fix 4K native sector check
- Don't power off the card when starting the host
- Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
- Improve error handling and drop meaningless BUG_ONs()
- Lots of clean-ups and changes to improve the quality of the code
MMC host:
- sdhci: Fix tuning sequence and clean-up the related code
- sdhci: Add support to via DT override broken SDHCI cap register
bits
- sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
- sdhci-msm: Update clock management
- sdhci-msm: Add support for eMMC HS400 mode
- sdhci-msm: Deploy runtime/system PM support
- sdhci-iproc: Extend driver support to newer IP versions
- sdhci-pci: Add support for Intel GLK
- sdhci-pci: Add support for Intel NI byt sdio
- sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
- sdhci: Lots of various small improvements and clean-ups
- tmio: Add support for tuning
- sh_mobile_sdhi: Add support for tuning
- sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
- sh_mobile_sdhi: remove support for sh7372
- davinci: Use mmc_of_parse() to enable generic mmc DT bindings
- meson: Add new driver to support GX platforms
- dw_mmc: Deploy generic runtime/system PM support
- dw_mmc: Lots of various small improvements
As a part of the mmc changes this time, I have also pulled in an
immutable branch/tag (soc-device-match-tag1) hosted by Geert
Uytterhoeven, to share the implementation of the new
soc_device_match() interface. This is needed by these mmc related
changes:
- mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
- soc: fsl: add GUTS driver for QorIQ platforms"
* tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (136 commits)
mmc: sdhci-cadence: add Cadence SD4HC support
mmc: sdhci: export sdhci_execute_tuning()
mmc: sdhci: Tidy tuning loop
mmc: sdhci: Simplify tuning block size logic
mmc: sdhci: Factor out tuning helper functions
mmc: sdhci: Use mmc_abort_tuning()
mmc: mmc: Introduce mmc_abort_tuning()
mmc: sdhci: Always allow tuning to fall back to fixed sampling
mmc: sdhci: Fix tuning reset after exhausting the maximum number of loops
mmc: sdhci: Fix recovery from tuning timeout
Revert "mmc: sdhci: Reset cmd and data circuits after tuning failure"
mmc: mmc: Relax checking for switch errors after HS200 switch
mmc: sdhci-acpi: support 80860F14 UID 2 SDIO bus
mmc: sdhci-of-at91: remove bogus MMC_SDHCI_IO_ACCESSORS select
mmc: sdhci-pci: Use ACPI to get max frequency for Intel NI byt sdio
mmc: sdhci-pci: Add PCI ID for Intel NI byt sdio
mmc: sdhci-s3c: add spin_unlock_irq() before calling clk_round_rate
mmc: dw_mmc: display the clock message only one time when card is polling
mmc: dw_mmc: add the debug message for polling and non-removable
mmc: dw_mmc: check the "present" variable before checking flags
...
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- userspace LED class driver - it can be useful for testing triggers
and can also be used to implement virtual LEDs
- LED class driver for NIC78bx device
- LED core fixes for preventing potential races while setting
brightness when software blinking is enabled
- improvements in LED documentation to mention semantics on changing
brightness while trigger is active
* tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: pca955x: Add ACPI support
leds: netxbig: fix module autoload for OF registration
leds: pca963x: Add ACPI support
leds: leds-cobalt-raq: use builtin_platform_driver
led: core: Fix blink_brightness setting race
led: core: Use atomic bit-field for the blink-flags
leds: Add user LED driver for NIC78bx device
leds: verify vendor and change license in mlxcpld driver
leds: pca963x: enable low-power state
leds: pca9532: Use default trigger value from platform data
leds: pca963x: workaround group blink scaling issue
cleanup LED documentation and make it match reality
leds: lp3952: Export I2C module alias information for module autoload
leds: mc13783: Fix MC13892 keypad led access
ledtrig-cpu.c: fix english
leds/leds-lp5523.txt: make documentation match reality
tools/leds: Add uledmon program for monitoring userspace LEDs
leds: Use macro for max device node name size
leds: Introduce userspace LED class driver
mfd: qcom-pm8xxx: Clean up PM8XXX namespace
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Backmerge the docs-next branch from Jon into drm-misc so that we can
apply the dma-buf documentation cleanup patches. Git found a conflict
where there was none because both drm-misc and docs had identical
patches to clean up file rename issues in the rst include directives.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Not setting the fb modifiers flag is something different from setting
the fb modifiers to 0 (which means explicitly linear). We kinda failed
to document that properly. Spotted by Kristian.
Cc: hoegsberg@google.com
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1478694996-4200-1-git-send-email-daniel.vetter@ffwll.ch
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Pull documentation update from Jonathan Corbet:
"These are the documentation changes for 4.10.
It's another busy cycle for the docs tree, as the sphinx conversion
continues. Highlights include:
- Further work on PDF output, which remains a bit of a pain but
should be more solid now.
- Five more DocBook template files converted to Sphinx. Only 27 to
go... Lots of plain-text files have also been converted and
integrated.
- Images in binary formats have been replaced with more
source-friendly versions.
- Various bits of organizational work, including the renaming of
various files discussed at the kernel summit.
- New documentation for the device_link mechanism.
... and, of course, lots of typo fixes and small updates"
* tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits)
dma-buf: Extract dma-buf.rst
Update Documentation/00-INDEX
docs: 00-INDEX: document directories/files with no docs
docs: 00-INDEX: remove non-existing entries
docs: 00-INDEX: add missing entries for documentation files/dirs
docs: 00-INDEX: consolidate process/ and admin-guide/ description
scripts: add a script to check if Documentation/00-INDEX is sane
Docs: change sh -> awk in REPORTING-BUGS
Documentation/core-api/device_link: Add initial documentation
core-api: remove an unexpected unident
ppc/idle: Add documentation for powersave=off
Doc: Correct typo, "Introdution" => "Introduction"
Documentation/atomic_ops.txt: convert to ReST markup
Documentation/local_ops.txt: convert to ReST markup
Documentation/assoc_array.txt: convert to ReST markup
docs-rst: parse-headers.pl: cleanup the documentation
docs-rst: fix media cleandocs target
docs-rst: media/Makefile: reorganize the rules
docs-rst: media: build SVG from graphviz files
docs-rst: replace bayer.png by a SVG image
...
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drm-next
This pull request brings in VEC (TV-out) support for vc4, along with a
pageflipping race fix.
* tag 'drm-vc4-next-2016-12-09' of https://github.com/anholt/linux:
drm/vc4: Don't use drm_put_dev
drm/vc4: Document VEC DT binding
drm/vc4: Add support for the VEC (Video Encoder) IP
drm: Add TV connector states to drm_connector_state
drm: Turn DRM_MODE_SUBCONNECTOR_xx definitions into an enum
drm/vc4: Fix ->clock_select setting for the VEC encoder
drm/vc4: Fix race between page flip completion event and clean-up
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Move PCI configuration space size macros (PCI_CFG_SPACE_SIZE and
PCI_CFG_SPACE_EXP_SIZE) from drivers/pci/pci.h to
include/uapi/linux/pci_regs.h so they can be used by more drivers and
eliminate duplicate definitions.
[bhelgaas: Expand comment to include PCI-X details]
Signed-off-by: Wang Sheng-Hui <shhuiw@foxmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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'asoc/topic/topology', 'asoc/topic/uda1380', 'asoc/topic/wm2200' and 'asoc/topic/wm8523' into asoc-next
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These constants are part of the UAPI, so they belong in
include/uapi/linux/fs.h instead of include/linux/fscrypto.h
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Eric Biggers <ebiggers@google.com>
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For the received packets with payload less or equal 8DWS
RxDmaDataFifoRdUncErr is not reported. There is set RHF.EccErr
if the header is not suppressed. When such packet is detected
on the send side the header suppression mechanism is disabled
by clearing SH bit in the packet header.
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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PPPOL2TP_MSG_* and L2TP_MSG_* are duplicates, and are being used
interchangeably in the kernel, so let's standardize on L2TP_MSG_*
internally, and keep PPPOL2TP_MSG_* defined in UAPI for compatibility.
Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.st>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the L2TP_MSG_* definitions to UAPI, as it is part of
the netlink API.
Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.st>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Three fixes:
* fix a logic bug introduced by a previous cleanup
* fix nl80211 attribute confusing (trying to use
a single attribute for two purposes)
* fix a long-standing BSS leak that happens when an
association attempt is abandoned
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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List of values like the DRM_MODE_SUBCONNECTOR_xx ones are better
represented with enums.
Turn the DRM_MODE_SUBCONNECTOR_xx macros into an enum.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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NL80211_ATTR_MAC was used to set both the specific BSSID to be scanned
and the random MAC address to be used when privacy is enabled. When both
the features are enabled, both the BSSID and the local MAC address were
getting same value causing Probe Request frames to go with unintended
DA. Hence, this has been fixed by using a different NL80211_ATTR_BSSID
attribute to set the specific BSSID (which was the more recent addition
in cfg80211) for a scan.
Backwards compatibility with old userspace software is maintained to
some extent by allowing NL80211_ATTR_MAC to be used to set the specific
BSSID when scanning without enabling random MAC address use.
Scanning with random source MAC address was introduced by commit
ad2b26abc157 ("cfg80211: allow drivers to support random MAC addresses
for scan") and the issue was introduced with the addition of the second
user for the same attribute in commit 818965d39177 ("cfg80211: Allow a
scan request for a specific BSSID").
Fixes: 818965d39177 ("cfg80211: Allow a scan request for a specific BSSID")
Signed-off-by: Vamsi Krishna <vamsin@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch allows XDP prog to extend/remove the packet
data at the head (like adding or removing header). It is
done by adding a new XDP helper bpf_xdp_adjust_head().
It also renames bpf_helper_changes_skb_data() to
bpf_helper_changes_pkt_data() to better reflect
that XDP prog does not work on skb.
This patch adds one "xdp_adjust_head" bit to bpf_prog for the
XDP-capable driver to check if the XDP prog requires
bpf_xdp_adjust_head() support. The driver can then decide
to error out during XDP_SETUP_PROG.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allows userspace components to fetch information
from the vbios image.
v2: agd: fix warning
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Support matching on ICMP type and code.
Example usage:
tc qdisc add dev eth0 ingress
tc filter add dev eth0 protocol ip parent ffff: flower \
indev eth0 ip_proto icmp type 8 code 0 action drop
tc filter add dev eth0 protocol ipv6 parent ffff: flower \
indev eth0 ip_proto icmpv6 type 128 code 0 action drop
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add UAPI to provide set of flags for matching, where the flags
provided from user-space are mapped to flow-dissector flags.
The 1st flag allows to match on whether the packet is an
IP fragment and corresponds to the FLOW_DIS_IS_FRAGMENT flag.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains a large Netfilter update for net-next,
to summarise:
1) Add support for stateful objects. This series provides a nf_tables
native alternative to the extended accounting infrastructure for
nf_tables. Two initial stateful objects are supported: counters and
quotas. Objects are identified by a user-defined name, you can fetch
and reset them anytime. You can also use a maps to allow fast lookups
using any arbitrary key combination. More info at:
http://marc.info/?l=netfilter-devel&m=148029128323837&w=2
2) On-demand registration of nf_conntrack and defrag hooks per netns.
Register nf_conntrack hooks if we have a stateful ruleset, ie.
state-based filtering or NAT. The new nf_conntrack_default_on sysctl
enables this from newly created netnamespaces. Default behaviour is not
modified. Patches from Florian Westphal.
3) Allocate 4k chunks and then use these for x_tables counter allocation
requests, this improves ruleset load time and also datapath ruleset
evaluation, patches from Florian Westphal.
4) Add support for ebpf to the existing x_tables bpf extension.
From Willem de Bruijn.
5) Update layer 4 checksum if any of the pseudoheader fields is updated.
This provides a limited form of 1:1 stateless NAT that make sense in
specific scenario, eg. load balancing.
6) Add support to flush sets in nf_tables. This series comes with a new
set->ops->deactivate_one() indirection given that we have to walk
over the list of set elements, then deactivate them one by one.
The existing set->ops->deactivate() performs an element lookup that
we don't need.
7) Two patches to avoid cloning packets, thus speed up packet forwarding
via nft_fwd from ingress. From Florian Westphal.
8) Two IPVS patches via Simon Horman: Decrement ttl in all modes to
prevent infinite loops, patch from Dwip Banerjee. And one minor
refactoring from Gao feng.
9) Revisit recent log support for nf_tables netdev families: One patch
to ensure that we correctly handle non-ethernet packets. Another
patch to add missing logger definition for netdev. Patches from
Liping Zhang.
10) Three patches for nft_fib, one to address insufficient register
initialization and another to solve incorrect (although harmless)
byteswap operation. Moreover update xt_rpfilter and nft_fib to match
lbcast packets with zeronet as source, eg. DHCP Discover packets
(0.0.0.0 -> 255.255.255.255). Also from Liping Zhang.
11) Built-in DCCP, SCTP and UDPlite conntrack and NAT support, from
Davide Caratti. While DCCP is rather hopeless lately, and UDPlite has
been broken in many-cast mode for some little time, let's give them a
chance by placing them at the same level as other existing protocols.
Thus, users don't explicitly have to modprobe support for this and
NAT rules work for them. Some people point to the lack of support in
SOHO Linux-based routers that make deployment of new protocols harder.
I guess other middleboxes outthere on the Internet are also to blame.
Anyway, let's see if this has any impact in the midrun.
12) Skip software SCTP software checksum calculation if the NIC comes
with SCTP checksum offload support. From Davide Caratti.
13) Initial core factoring to prepare conversion to hook array. Three
patches from Aaron Conole.
14) Gao Feng made a wrong conversion to switch in the xt_multiport
extension in a patch coming in the previous batch. Fix it in this
batch.
15) Get vmalloc call in sync with kmalloc flags to avoid a warning
and likely OOM killer intervention from x_tables. From Marcelo
Ricardo Leitner.
16) Update Arturo Borrero's email address in all source code headers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for attaching an eBPF object by file descriptor.
The iptables binary can be called with a path to an elf object or a
pinned bpf object. Also pass the mode and path to the kernel to be
able to return it later for iptables dump and save.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows us to refer to stateful object dictionaries, the
source register indicates the key data to be used to look up for the
corresponding state object. We can refer to these maps through names or,
alternatively, the map transaction id. This allows us to refer to both
anonymous and named maps.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows you to refer to stateful objects from set elements.
This provides the infrastructure to create maps where the right hand
side of the mapping is a stateful object.
This allows us to build dictionaries of stateful objects, that you can
use to perform fast lookups using any arbitrary key combination.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Notify on depleted quota objects. The NFT_QUOTA_F_DEPLETED flag
indicates we have reached overquota.
Add pointer to table from nft_object, so we can use it when sending the
depletion notification to userspace.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a new NFT_MSG_GETOBJ_RESET command perform an atomic
dump-and-reset of the stateful object. This also comes with add support
for atomic dump and reset for counter and quota objects.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add a new attribute NFTA_QUOTA_CONSUMED that displays the amount of
quota that has been already consumed. This allows us to restore the
internal state of the quota object between reboots as well as to monitor
how wasted it is.
This patch changes the logic to account for the consumed bytes, instead
of the bytes that remain to be consumed.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a check to limit the number of can_filters that can be
set via setsockopt on CAN_RAW sockets. Otherwise allocations > MAX_ORDER
are not prevented resulting in a warning.
Reference: https://lkml.org/lkml/2016/12/2/230
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This new expression allows us to refer to existing stateful objects from
rules.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Register a new quota stateful object type into the new stateful object
infrastructure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Register a new percpu counter stateful object type into the stateful
object infrastructure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch augments nf_tables to support stateful objects. This new
infrastructure allows you to create, dump and delete stateful objects,
that are identified by a user-defined name.
This patch adds the generic infrastructure, follow up patches add
support for two stateful objects: counters and quotas.
This patch provides a native infrastructure for nf_tables to replace
nfacct, the extended accounting infrastructure for iptables.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a new flag that signals the kernel to update layer 4
checksum if the packet field belongs to the layer 4 pseudoheader. This
implicitly provides stateless NAT 1:1 that is useful under very specific
usecases.
Since rules mangling layer 3 fields that are part of the pseudoheader
may potentially convey any layer 4 packet, we have to deal with the
layer 4 checksum adjustment using protocol specific code.
This patch adds support for TCP, UDP and ICMPv6, since they include the
pseudoheader in the layer 4 checksum calculation. ICMP doesn't, so we
can skip it.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix a wrong condition preventing the higher net device flags
IFF_LOWER_UP etc to be defined if net/if.h is included before
linux/if.h.
The comment makes it clear the intention was to allow partial
definition with either parts.
This fixes compilation of userspace programs trying to use
IFF_LOWER_UP, IFF_DORMANT or IFF_ECHO.
Fixes: 4a91cb61bb99 ("uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: James Smart <james.smart@broadcom.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Reviewed-by: Jay Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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File is in uapi directory but not being copied on
make install_headers
Fixes commit 4ec9c8fbbc22 ("netfilter: nft_log: complete
NFTA_LOG_FLAGS attr support").
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes commit 735cffe5d800 ("net_sched: Introduce skbmod action")
Not used by iproute2 but maybe in future.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When loading a BPF program via bpf(2), calculate the digest over
the program's instruction stream and store it in struct bpf_prog's
digest member. This is done at a point in time before any instructions
are rewritten by the verifier. Any unstable map file descriptor
number part of the imm field will be zeroed for the hash.
fdinfo example output for progs:
# cat /proc/1590/fdinfo/5
pos: 0
flags: 02000002
mnt_id: 11
prog_type: 1
prog_jited: 1
prog_digest: b27e8b06da22707513aa97363dfb11c7c3675d28
memlock: 4096
When programs are pinned and retrieved by an ELF loader, the loader
can check the program's digest through fdinfo and compare it against
one that was generated over the ELF file's program section to see
if the program needs to be reloaded. Furthermore, this can also be
exposed through other means such as netlink in case of a tc cls/act
dump (or xdp in future), but also through tracepoints or other
facilities to identify the program. Other than that, the digest can
also serve as a base name for the work in progress kallsyms support
of programs. The digest doesn't depend/select the crypto layer, since
we need to keep dependencies to a minimum. iproute2 will get support
for this facility.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Resync, and we need all the fancy new drm_mm stuff to implement more
efficient evict algorithms for softpin.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Linux 4.9-rc8
Daniel requested this so we could apply some follow on fixes cleanly to -next.
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