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Adds RENAME_EXCHANGE to UBIFS, the operation itself
is completely disjunct from a regular rename() that's
why we dispatch very early in ubifs_reaname().
RENAME_EXCHANGE used by the renameat2() system call
allows the caller to exchange two paths atomically.
Both paths have to exist and have to be on the same
filesystem.
Signed-off-by: Richard Weinberger <richard@nod.at>
Adds RENAME_WHITEOUT support to UBIFS, we implement
it in the same way as ext4 and xfs do.
For an overview of other ways to implement it please
refere to commit 7dcf5c3e45 ("xfs: add RENAME_WHITEOUT support").
Signed-off-by: Richard Weinberger <richard@nod.at>
This patchs adds O_TMPFILE support to UBIFS.
A temp file is a reference to an unlinked inode, a user
holding the reference can use it. As soon it is being closed
all data vanishes.
Signed-off-by: Richard Weinberger <richard@nod.at>
Usually Fastmap is free to consider every PEB in one of the pools
as newer than the existing PEB. Since PEBs in a pool are by definition
newer than everything else.
But update_vol() missed the case that a pool can contain more than
one candidate.
Cc: <stable@vger.kernel.org>
Fixes: dbb7d2a88d ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
When writing a new Fastmap the first thing that happens
is refilling the pools in memory.
At this stage it is possible that new PEBs from the new pools
get already claimed and written with data.
If this happens before the new Fastmap data structure hits the
flash and we face power cut the freshly written PEB will not
scanned and unnoticed.
Solve the issue by locking the pools until Fastmap is written.
Cc: <stable@vger.kernel.org>
Fixes: dbb7d2a88d ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
When Fastmap is used we can face here an -EBADMSG
since Fastmap cannot know about unmaps.
If the erasure was interrupted the PEB may show ECC
errors and UBI would go to ro-mode as it assumes
that the PEB was check during attach time, which is
not the case with Fastmap.
Cc: <stable@vger.kernel.org>
Fixes: dbb7d2a88d ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
Currently, all VID headers are allocated and freed using the
ubi_zalloc_vid_hdr() and ubi_free_vid_hdr() function. These functions
make sure to align allocation on ubi->vid_hdr_alsize and adjust the
vid_hdr pointer to match the ubi->vid_hdr_shift requirements.
This works fine, but is a bit convoluted.
Moreover, the future introduction of LEB consolidation (needed to support
MLC/TLC NANDs) will allows a VID buffer to contain more than one VID
header.
Hence the creation of a ubi_vid_io_buf struct to attach extra information
to the VID header.
We currently only store the actual pointer of the underlying buffer, but
will soon add the number of VID headers contained in the buffer.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Create a private ubi_eba_table struct to hide EBA internals and provide
helpers to allocate, destroy, copy and assing an EBA table to a volume.
Now that external EBA users are using helpers to query/modify the EBA
state we can safely change the internal representation, which will be
needed to support the LEB consolidation concept.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This is part of our attempt to hide EBA internals from other part of the
implementation in order to easily adapt it to the MLC needs.
Here we are creating an ubi_eba_leb_desc struct to hide the way we keep
track of the LEB to PEB mapping.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This is part of the process of hiding UBI EBA's internal to other part of
the UBI implementation, so that we can add new information to the EBA
table without having to patch different places in the UBI code.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
ubi_leb_valid() is here to replace the
lnum < 0 || lnum >= vol->reserved_pebs checks.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
ubi_eba_write_leb(), ubi_eba_write_leb_st() and
ubi_eba_atomic_leb_change() are using a convoluted retry/exit path.
Add the try_write_vid_and_data() function to simplify the retry logic
and make sure we have a single exit path instead of manually releasing
the resources in each error path.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
recover_peb() is using a convoluted retry/exit path. Add try_recover_peb()
to simplify the retry logic and make sure we have a single exit path
instead of manually releasing the resource in each error path.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Even if it works fine with those global variables, attaching the
temporary ech and vidh objects used during UBI scan to the
ubi_attach_info object sounds like a more future-proof option.
For example, attaching several UBI devices in parallel is prevented by
this use of global variable. And also because global variables should
be avoided in general.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This not only hides the aeb allocation internals (which is always good in
case we ever want to change the allocation system), but also helps us
factorize the initialization of some common fields (ec and pnum).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
ubi_io_{read,write}_data() are wrappers around ubi_io_{read/write}() that
are used to read/write eraseblock payload data, which is exactly what
fastmap does when calling ubi_io_{read,write}().
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Use the ubi_rb_for_each_entry() macro instead of open-coding it.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Those functions are pretty much doing the same thing, except
ubi_remove_av() is putting the aeb elements attached to the volume into
the ai->erase list and the destroy_av() is freeing them.
Rework destroy_av() to handle both cases.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Volume creation/search code is duplicated in a few places (fastmap and
non fastmap code). Create some helpers to factorize the code.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
vol->usable_size is already set to ubi->leb_size - vol->data_pad. Use
vol->usable_size instead of recalculating it.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
scan_pool() does not mark the PEB for scrubing when bitflips are
detected in the EC header of a free PEB (VID header region left to
0xff).
Make sure we scrub the PEB in this case.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: dbb7d2a88d ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
process_pool_aeb() does several times the be32_to_cpu(new_vh->vol_id)
operation. Create a temporary variable and do it once.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
add_fastmap() is passed a ubi_vid_hdr pointer in argument, but is
referencing the global vidh pointer.
Even if this is correct from a functional point of view (vidh and vid_hdr
point to the same object), it is confusing.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
process_pool_aeb() re-implements the logic found in ubi_find_volume().
Call ubi_find_volume() to avoid this duplication.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Here are 2 small fixes, and one new device id, for 4.8-rc7
The fixes solve a build error that was reported in your tree for the
blackfin arch, and resolve an issue with a number of broken USB devices
that reported the wrong interval rate. Included here is also a new
device id for the usb-serial driver.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are two small fixes, and one new device id, for 4.8-rc7
The fixes solve a build error that was reported in your tree for the
blackfin arch, and resolve an issue with a number of broken USB
devices that reported the wrong interval rate. Included here is also
a new device id for the usb-serial driver.
All have been in linux-next with no reported issues"
* tag 'usb-4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: change bInterval default to 10 ms
usb: musb: Fix tusb6010 compile error on blackfin
USB: serial: simple: add support for another Infineon flashloader
Pull perf fixes from Thomas Gleixner:
"A couple of small fixes to x86 perf drivers:
- Measure L2 for HW_CACHE* events on AMD
- Fix the address filter handling in the intel/pt driver
- Handle the BTS disabling at the proper place"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/amd: Make HW_CACHE_REFERENCES and HW_CACHE_MISSES measure L2
perf/x86/intel/pt: Do validate the size of a kernel address filter
perf/x86/intel/pt: Fix kernel address filter's offset validation
perf/x86/intel/pt: Fix an off-by-one in address filter configuration
perf/x86/intel: Don't disable "intel_bts" around "intel" event batching
Pull SMP build fixlet from Thomas Gleixner:
"Add a missing include in cpuhotplug.h"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Include linux/types.h in linux/cpuhotplug.h
Pull irq fixes from Thomas Gleixner:
"Two patches from Boris which address a potential deadlock in the atmel
irq chip driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/atmel-aic: Fix potential deadlock in ->xlate()
genirq: Provide irq_gc_{lock_irqsave,unlock_irqrestore}() helpers
Since commit acb2505d01 ("openrisc: fix copy_from_user()"),
copy_from_user() returns the number of bytes requested, not the
number of bytes not copied.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Fixes: acb2505d01 ("openrisc: fix copy_from_user()")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
avr32 builds fail with:
arch/avr32/kernel/built-in.o: In function `arch_ptrace':
(.text+0x650): undefined reference to `___copy_from_user'
arch/avr32/kernel/built-in.o:(___ksymtab+___copy_from_user+0x0): undefined
reference to `___copy_from_user'
kernel/built-in.o: In function `proc_doulongvec_ms_jiffies_minmax':
(.text+0x5dd8): undefined reference to `___copy_from_user'
kernel/built-in.o: In function `proc_dointvec_minmax_sysadmin':
sysctl.c:(.text+0x6174): undefined reference to `___copy_from_user'
kernel/built-in.o: In function `ptrace_has_cap':
ptrace.c:(.text+0x69c0): undefined reference to `___copy_from_user'
kernel/built-in.o:ptrace.c:(.text+0x6b90): more undefined references to
`___copy_from_user' follow
Fixes: 8630c32275 ("avr32: fix copy_from_user()")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
... by turning it into what used to be multipages counterpart
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes for code merged this cycle:
- Fix restore of SPRs upon wake up from hypervisor state loss from Gautham R. Shenoy
- Fix the state of root PE from Gavin Shan
- Detach from PE on releasing PCI device from Gavin Shan
- Fix size of NUM_CPU_FTR_KEYS on 32-bit
- Fix missed TCE invalidations that should fallback to OPAL
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Merge tag 'powerpc-4.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fixes for code merged this cycle:
- Fix restore of SPRs upon wake up from hypervisor state loss from
Gautham R Shenoy
- Fix the state of root PE from Gavin Shan
- Detach from PE on releasing PCI device from Gavin Shan
- Fix size of NUM_CPU_FTR_KEYS on 32-bit
- Fix missed TCE invalidations that should fallback to OPAL"
* tag 'powerpc-4.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv/pci: Fix missed TCE invalidations that should fallback to OPAL
powerpc/powernv: Detach from PE on releasing PCI device
powerpc/powernv: Fix the state of root PE
powerpc/kernel: Fix size of NUM_CPU_FTR_KEYS on 32-bit
powerpc/powernv: Fix restore of SPRs upon wake up from hypervisor state loss
Pull cifs fixes from Steve French:
"Small set of cifs fixes"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
Move check for prefix path to within cifs_get_root()
Compare prepaths when comparing superblocks
Fix memory leaks in cifs_do_mount()
i915, vc4 and atmel.
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Merge tag 'drm-fixes-for-4.8-rc6' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Two sets of i915 fixes, one set of vc4 crasher fixes, and a couple of
atmel fixes.
Nothing too out there at this stage, though I think some people are
holidaying so it's been quiet enough"
* tag 'drm-fixes-for-4.8-rc6' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Ignore OpRegion panel type except on select machines
Revert "drm/i915/psr: Make idle_frames sensible again"
drm/i915: Restore lost "Initialized i915" welcome message
drm/vc4: mark vc4_bo_cache_purge() static
drm/i915: Add GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE to SNB
drm/i915: disable 48bit full PPGTT when vGPU is active
drm/i915: enable vGPU detection for all
drm/atmel-hlcdc: Make ->reset() implementation static
drm: atmel-hlcdc: Fix vertical scaling
drm/vc4: Allow some more signals to be packed with uniform resets.
drm/i915/dvo: Remove dangling call to drm_encoder_cleanup()
More annotations of tracepoints in the runtime PM framework to
prevent RCU from complaining when that code is invoked from the
idle path (Paul McKenney).
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Merge tag 'pm-4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"More annotations of tracepoints in the runtime PM framework to prevent
RCU from complaining when that code is invoked from the idle path
(Paul McKenney)"
* tag 'pm-4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / runtime: Use _rcuidle for runtime suspend tracepoints
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Merge tag 'drm-vc4-fixes-2016-09-14' of https://github.com/anholt/linux into drm-fixes
This pull request brings in a fix for crashes in X on VC4.
* tag 'drm-vc4-fixes-2016-09-14' of https://github.com/anholt/linux:
drm/vc4: mark vc4_bo_cache_purge() static
drm/vc4: Allow some more signals to be packed with uniform resets.
i915 fixes from Jani.
* tag 'drm-intel-fixes-2016-09-15' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Ignore OpRegion panel type except on select machines
Revert "drm/i915/psr: Make idle_frames sensible again"
drm/i915: Restore lost "Initialized i915" welcome message
- Various fixes to rdmavt, ipoib, mlx5, mlx4, rxe
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Round three of 4.8 rc fixes.
This is likely the last rdma pull request this cycle. The new rxe
driver had a few issues (you probably saw the boot bot bug report) and
they should be addressed now. There are a couple other fixes here,
mainly mlx4. There are still two outstanding issues that need
resolved but I don't think their fix will make this kernel cycle.
Summary:
- Various fixes to rdmavt, ipoib, mlx5, mlx4, rxe"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/rdmavt: Don't vfree a kzalloc'ed memory region
IB/rxe: Fix kmem_cache leak
IB/rxe: Fix race condition between requester and completer
IB/rxe: Fix duplicate atomic request handling
IB/rxe: Fix kernel panic in udp_setup_tunnel
IB/mlx5: Set source mac address in FTE
IB/mlx5: Enable MAD_IFC commands for IB ports only
IB/mlx4: Diagnostic HW counters are not supported in slave mode
IB/mlx4: Use correct subnet-prefix in QP1 mads under SR-IOV
IB/mlx4: Fix code indentation in QP1 MAD flow
IB/mlx4: Fix incorrect MC join state bit-masking on SR-IOV
IB/ipoib: Don't allow MC joins during light MC flush
IB/rxe: fix GFP_KERNEL in spinlock context
Here are a couple of bugfixes for v4.8-rc. Most of them have
actually been around for a while this time but for some reason
didn't get applied early on. The shmobile regulator fix is the
only one that isn't completely obvious.
device tree changes:
- archtimer interrupts must be level triggered (multiple platforms)
- fix for USB and MMC clocks on STiH410
- fix split DT repository in case of raspberry-pi 3
- A new use of skeleton.dtsi on arm64 has crept in after that
was removed.
defconfig updates:
- xilinx vdma has a new Kconfig symbol name
- keystone requires CONFIG_NOP_USB_XCEIV since v4.8-rc1
code fixes:
- fix regulator quirk on shmobile
- suspend-to-ram regression on EXYNOS
maintainer updates:
- Javier Martinez Canillas is now a reviewer for Samsung EXYNOS
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Here are a couple of bugfixes for v4.8-rc.
Most of them have actually been around for a while this time but for
some reason didn't get applied early on. The shmobile regulator fix
is the only one that isn't completely obvious.
Device tree changes:
- archtimer interrupts must be level triggered (multiple platforms)
- fix for USB and MMC clocks on STiH410
- fix split DT repository in case of raspberry-pi 3
- a new use of skeleton.dtsi on arm64 has crept in after that was
removed.
defconfig updates:
- xilinx vdma has a new Kconfig symbol name
- keystone requires CONFIG_NOP_USB_XCEIV since v4.8-rc1
Code fixes:
- fix regulator quirk on shmobile
- suspend-to-ram regression on EXYNOS
Maintainer updates:
- Javier Martinez Canillas is now a reviewer for Samsung EXYNOS"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: keystone: defconfig: Fix USB configuration
arm64: dts: Fix broken architected timer interrupt trigger
ARM: multi_v7_defconfig: update XILINX_VDMA
ARM64: dts: bcm: Use a symlink to R-Pi dtsi files from arch=arm
ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi
ARM: dts: STiH407-family: Provide interconnect clock for consumption in ST SDHCI
ARM: dts: STiH410: Handle interconnect clock required by EHCI/OHCI (USB)
ARM: shmobile: fix regulator quirk for Gen2
ARM: EXYNOS: Clear OF_POPULATED flag from PMU node in IRQ init callback
MAINTAINERS: Add myself as reviewer for Samsung Exynos support
Pull ARM fixes from Russell King:
"Most of this update are fixes primarily discovered from testing on the
older StrongARM 1110 and PXA systems, as a result of recent interest
from several people in these platforms:
- Locomo interrupt handling incorrectly stores the handler data in
the chip's private data slot: when Locomo is combined with an
interrupt controller who's chip uses the chip private data, this
leads to an oops.
- SA1111 was missing a call to clk_disable() to clean up after a
failed probe.
- SA1111 and PCMCIA suspend/resume was broken:
The PCMCIA "ds" layer was using the legacy bus suspend/resume
methods, which the core PM code is no longer calling as a result of
device_pm_check_callbacks() introduced in commit aa8e54b559
("PM / sleep: Go direct_complete if driver has no callbacks").
SA1111 was broken due to changes to PCMCIA which makes PCMCIA
suspend itself later than the SA1111 code expects, and resume
before the SA1111 code has initialised access to the pcmcia
sub-device.
- the default SA1111 interrupt mask polarity got messed up when it
was converted to use a dynamic interrupt base number for its
interrupts.
- fix platform_get_irq() error code propagation, which was causing
problems on platforms where the interrupt may not be available at
probe time in DT setups.
- fix the lack of clock to PCMCIA code on PXA platforms, which was
omitted in conversions of PXA to CCF.
- fix an oops in the PXA PCMCIA code caused by a previous commit not
realising that Lubbock is different from the rest of the PXA PCMCIA
drivers.
- ensure that SA1111 low-level PCMCIA drivers propagate their error
codes to the main probe function, rather than the driver silently
accepting a failure.
- fix the sa11xx debugfs reporting of timing information, which
always indicated zero due to the clock being a factor of 1000 out.
- fix the polarity of the status change signal reported from the
sockets.
Lastly, one ARM specific commit from Stefan Agner fixing the LPAE
cache attributes"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: pxa/lubbock: add pcmcia clock
ARM: locomo: fix locomo irq handling
ARM: 8612/1: LPAE: initialize cache policy correctly
ARM: sa1111: fix missing clk_disable()
ARM: sa1111: fix pcmcia suspend/resume
ARM: sa1111: fix pcmcia interrupt mask polarity
ARM: sa1111: fix error code propagation in sa1111_probe()
pcmcia: lubbock: fix sockets configuration
pcmcia: sa1111: fix propagation of lowlevel board init return code
pcmcia: soc_common: fix SS_STSCHG polarity
pcmcia: sa11xx_base: add units to the timing information
pcmcia: sa11xx_base: fix reporting of timing information
pcmcia: ds: fix suspend/resume
The userspace memory region 'mr' is allocated with kzalloc in
__rvt_alloc_mr however it is incorrectly being freed with vfree in
__rvt_free_mr. Fix this by using kfree to free it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
rxe_requester() is sending a pkt with rxe_xmit_packet() and
then calls rxe_update() to update the wqe and qp's psn values.
But sometimes the response is received before the requester
had time to update the wqe in which case the completer
acts on errornous wqe values.
This fix updates the wqe and qp before actually sending
the request and rolls back when xmit fails.
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When handling ack for atomic opcodes like "fetch&add"
or "cmp&swp", the method send_atomic_ack() saves the ack
before sending it, in case it gets lost and never reach the
requester. In which case the method duplicate_request()
will need to find it using the duplicated request.psn.
But send_atomic_ack() used a wrong psn value and thus
the above ack was never found.
This fix uses the ack.psn to locate the ack in case
its needed.
This fix also copies the ack packet to the skb's control buffer
since duplicate_request() will need it when calling rxe_xmit_packet()
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Set the source mac address in the FTE when L2 specification
is provided.
Fixes: 038d2ef875 ('IB/mlx5: Add flow steering 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>
