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There is a spelling misake in a DP_NOTICE message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A final attempt at enabling sse2 for GCC users.
Orininally attempted in:
commit 10117450735c ("drm/amd/display: add -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines")
Reverted due to "reported instability" in:
commit 193392ed9f69 ("Revert "drm/amd/display: add -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines"")
Re-added just for Clang in:
commit 0f0727d971f6 ("drm/amd/display: readd -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines")
The original report didn't have enough information to know if the GPF
was due to misalignment, but I suspect that it was. (The missing
information was the disassembly of the function at the bottom of the
trace, to see if the instruction pointer pointed to an instruction with
16B alignment memory operand requirements. The stack trace does show
the stack was only 8B but not 16B aligned though, which makes this a
strong possibility).
Now that the stack misalignment issue has been fixed for users of GCC
7.1+, reattempt adding -msse2. This matches Clang.
It will likely never be safe to enable this for pre-GCC 7.1 AND use a
16B aligned stack in these translation units.
This is only a functional change for GCC 7.1+ users, and should be boot
tested.
Link: https://bugs.freedesktop.org/show_bug.cgi?id=109487
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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GCC earlier than 7.1 errors when compiling code that makes use of
`double`s and sets a stack alignment outside of the range of [2^4-2^12]:
$ cat foo.c
double foo(double x, double y) {
return x + y;
}
$ gcc-4.9 -mpreferred-stack-boundary=3 foo.c
error: -mpreferred-stack-boundary=3 is not between 4 and 12
This is likely why the AMDGPU driver was ever compiled with a different
stack alignment (and thus different ABI) than the rest of the x86
kernel. The kernel uses 8B stack alignment, while the driver was using
16B stack alignment in a few places.
Since GCC 7.1+ doesn't error, fix the ABI mismatch for users of newer
versions of GCC.
There was discussion about whether to mark the driver broken or not for
users of GCC earlier than 7.1, but since the driver currently is
working, don't explicitly break the driver for them here.
Relying on differing stack alignment is unspecified behavior, and
brittle, and may break in the future.
This patch is no functional change for GCC users earlier than 7.1. It's
been compile tested on GCC 4.9 and 8.3 to check the correct flags. It
should be boot tested when built with GCC 7.1+.
-mincoming-stack-boundary= or -mstackrealign may help keep this code
building for pre-GCC 7.1 users.
The version check for GCC is broken into two conditionals, both because
cc-ifversion is currently GCC specific, and it simplifies a subsequent
patch.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The x86 kernel is compiled with an 8B stack alignment via
`-mpreferred-stack-boundary=3` for GCC since 3.6-rc1 via
commit d9b0cde91c60 ("x86-64, gcc: Use -mpreferred-stack-boundary=3 if supported")
or `-mstack-alignment=8` for Clang. Parts of the AMDGPU driver are
compiled with 16B stack alignment.
Generally, the stack alignment is part of the ABI. Linking together two
different translation units with differing stack alignment is dangerous,
particularly when the translation unit with the smaller stack alignment
makes calls into the translation unit with the larger stack alignment.
While 8B aligned stacks are sometimes also 16B aligned, they are not
always.
Multiple users have reported General Protection Faults (GPF) when using
the AMDGPU driver compiled with Clang. Clang is placing objects in stack
slots assuming the stack is 16B aligned, and selecting instructions that
require 16B aligned memory operands.
At runtime, syscall handlers with 8B aligned stack call into code that
assumes 16B stack alignment. When the stack is a multiple of 8B but not
16B, these instructions result in a GPF.
Remove the code that added compatibility between the differing compiler
flags, as it will result in runtime GPFs when built with Clang. Cleanups
for GCC will be sent in later patches in the series.
Link: https://github.com/ClangBuiltLinux/linux/issues/735
Debugged-by: Yuxuan Shui <yshuiv7@gmail.com>
Reported-by: Shirish S <shirish.s@amd.com>
Reported-by: Yuxuan Shui <yshuiv7@gmail.com>
Suggested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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During kexec some adapters hit an EEH since they are not properly
shut down in the radeon_pci_shutdown() function. Adding
radeon_suspend_kms() fixes this issue.
Enabled only on PPC because this patch causes issues on some other
boards.
Signed-off-by: Kyle Mahlkuch <kmahlkuc@linux.vnet.ibm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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These were not aligned for optimal performance for GPUVM.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tianci Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The vega10_odn_update_soc_table() function does not allow the SCLK
dependent voltage to be set for power-state 7 to a value below the default
in pptable. Change the for-loop condition to allow undervolting in the
highest state.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205277
Signed-off-by: Pelle van Gils <pelle@vangils.xyz>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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dc.c:583:null check is needed after using kzalloc function
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: zhongshiqi <zhong.shiqi@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
This patch is for fixing Navi14 HDMI display pink screen issue.
[How]
Call stream->link->link_enc->funcs->setup twice. This is setting
the DIG_MODE to the correct value after having been overridden by
the call to transmitter control.
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
i2c_read is called to differentiate passive DP->HDMI and DP->DVI-D dongles
The call is expected to fail in DVI-D case but pass in HDMI case
Some HDMI dongles have a chance to fail as well, causing misdetection as DVI-D
[HOW]
Retry i2c_read to ensure failed result is valid
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[why]
There's a use case for inverted gamma
and it's been confirmed that negative slopes are ok.
[how]
Remove code for blocking non-monotonically increasing gamma
Signed-off-by: Aidan Yang <Aidan.Yang@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Reza Amini <Reza.Amini@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[why]
A display that supports DRR can never really be considered
"synchronized" with any other display because we can dynamically
enable DRR (i.e. without modeset). this will cause their
relative CRTC positions to drift and lose sync. this will disrupt
features such as MCLK switching that assume and depend on
their permanent alignment (that can only change with modeset)
[how]
check for ignore_msa in stream when considered synchronizability
this ignore_msa is basically actually implemented as "supports drr"
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use ERR_PTR to return back the error happened during amdgpu_ib_schedule.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Problem:
When run_job fails and HW fence returned is NULL we still signal
the s_fence to avoid hangs but the user has no way of knowing if
the actual HW job was ran and finished.
Fix:
Allow .run_job implementations to return ERR_PTR in the fence pointer
returned and then set this error for s_fence->finished fence so whoever
wait on this fence can inspect the signaled fence for an error.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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update registers: mmCGTT_SPI_CLK_CTRL
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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update registers: mmCGTT_SPI_CLK_CTRL
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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update registers: mmCGTT_SPI_CLK_CTRL
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[Why]
DWB (Display Writeback) flag needs to be enabled as 1, or system
will throw out a few warnings when creating dcn20 resource pool.
Also, Navi14's dwb setting needs to match Navi10's,
which has already been set to 1.
[How]
Change value of num_dwb from 0 to 1.
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This seems to help with https://bugs.freedesktop.org/show_bug.cgi?id=111481.
v2: insert a NOP instead of skipping all 0-sized IBs to avoid breaking older hw
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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VKexample test hang during Occlusion/SDMA/Varia runs.
Clear XNACK_WATERMK in reg SDMA0_UTCL1_WATERMK to fix this issue.
Signed-off-by: chen gong <curry.gong@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The API was reduced to include only knowledge currently needed by the
FW scan logic, the rest is legacy. Support the new, reduced version.
Using the old API with newer firmwares (starting from
iwlwifi-*-50.ucode, which implements and requires the new API version)
causes an assertion failure similar to this one:
[ 2.854505] iwlwifi 0000:00:14.3: 0x20000038 | BAD_COMMAND
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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mt76 dma layer is supposed to unmap skb data buffers while keep txwi
mapped on hw dma ring. At the moment mt76 wrongly unmap txwi or does
not unmap data fragments in even positions for non-linear skbs. This
issue may result in hw hangs with A-MSDU if the system relies on IOMMU
or SWIOTLB. Fix this behaviour properly unmapping data fragments on
non-linear skbs.
Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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On same device (e.g. U7612E-H1) PCIE_ASPM causes continuous mcu hangs and
instability. Since mt76x2 series does not manage PCIE PS states, first we
try to disable ASPM using pci_disable_link_state. If it fails, we will
disable PCIE PS configuring PCI registers.
This patch has been successfully tested on U7612E-H1 mini-pice card
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Take into account gadget driver's speed limit when programming
controller speed.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20191030121607.21739-1-rogerq@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Follow-on fix for Renesas IPMMU to get rid of a redundant error
message.
- Quirk for AMD IOMMU to make it work on another Acer Laptop model with
a broken IVRS ACPI table.
- Fix for a panic at kdump in the Intel IOMMU driver.
* tag 'iommu-fixes-v5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Fix panic after kexec -p for kdump
iommu/amd: Apply the same IVRS IOAPIC workaround to Acer Aspire A315-41
iommu/ipmmu-vmsa: Remove dev_err() on platform_get_irq() failure
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EP_CLAIMED flag is used to track the claimed endpoints. While unloading the
module, Reset EP_CLAIMED flag for all enabled endpoints. So that it can be
reused.
Signed-off-by: Sanket Parmar <sparmar@cadence.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/20191029122441.5816-1-sparmar@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This cures a panic on restart after a kexec operation on 5.3 and 5.4
kernels.
The underlying state of the iommu registers (iommu->flags &
VTD_FLAG_TRANS_PRE_ENABLED) on a restart results in a domain being marked as
"DEFER_DEVICE_DOMAIN_INFO" that produces an Oops in identity_mapping().
[ 43.654737] BUG: kernel NULL pointer dereference, address:
0000000000000056
[ 43.655720] #PF: supervisor read access in kernel mode
[ 43.655720] #PF: error_code(0x0000) - not-present page
[ 43.655720] PGD 0 P4D 0
[ 43.655720] Oops: 0000 [#1] SMP PTI
[ 43.655720] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
5.3.2-1940.el8uek.x86_64 #1
[ 43.655720] Hardware name: Oracle Corporation ORACLE SERVER
X5-2/ASM,MOTHERBOARD,1U, BIOS 30140300 09/20/2018
[ 43.655720] RIP: 0010:iommu_need_mapping+0x29/0xd0
[ 43.655720] Code: 00 0f 1f 44 00 00 48 8b 97 70 02 00 00 48 83 fa ff
74 53 48 8d 4a ff b8 01 00 00 00 48 83 f9 fd 76 01 c3 48 8b 35 7f 58 e0
01 <48> 39 72 58 75 f2 55 48 89 e5 41 54 53 48 8b 87 28 02 00 00 4c 8b
[ 43.655720] RSP: 0018:ffffc9000001b9b0 EFLAGS: 00010246
[ 43.655720] RAX: 0000000000000001 RBX: 0000000000001000 RCX:
fffffffffffffffd
[ 43.655720] RDX: fffffffffffffffe RSI: ffff8880719b8000 RDI:
ffff8880477460b0
[ 43.655720] RBP: ffffc9000001b9e8 R08: 0000000000000000 R09:
ffff888047c01700
[ 43.655720] R10: 00002194036fc692 R11: 0000000000000000 R12:
0000000000000000
[ 43.655720] R13: ffff8880477460b0 R14: 0000000000000cc0 R15:
ffff888072d2b558
[ 43.655720] FS: 0000000000000000(0000) GS:ffff888071c00000(0000)
knlGS:0000000000000000
[ 43.655720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.655720] CR2: 0000000000000056 CR3: 000000007440a002 CR4:
00000000001606b0
[ 43.655720] Call Trace:
[ 43.655720] ? intel_alloc_coherent+0x2a/0x180
[ 43.655720] ? __schedule+0x2c2/0x650
[ 43.655720] dma_alloc_attrs+0x8c/0xd0
[ 43.655720] dma_pool_alloc+0xdf/0x200
[ 43.655720] ehci_qh_alloc+0x58/0x130
[ 43.655720] ehci_setup+0x287/0x7ba
[ 43.655720] ? _dev_info+0x6c/0x83
[ 43.655720] ehci_pci_setup+0x91/0x436
[ 43.655720] usb_add_hcd.cold.48+0x1d4/0x754
[ 43.655720] usb_hcd_pci_probe+0x2bc/0x3f0
[ 43.655720] ehci_pci_probe+0x39/0x40
[ 43.655720] local_pci_probe+0x47/0x80
[ 43.655720] pci_device_probe+0xff/0x1b0
[ 43.655720] really_probe+0xf5/0x3a0
[ 43.655720] driver_probe_device+0xbb/0x100
[ 43.655720] device_driver_attach+0x58/0x60
[ 43.655720] __driver_attach+0x8f/0x150
[ 43.655720] ? device_driver_attach+0x60/0x60
[ 43.655720] bus_for_each_dev+0x74/0xb0
[ 43.655720] driver_attach+0x1e/0x20
[ 43.655720] bus_add_driver+0x151/0x1f0
[ 43.655720] ? ehci_hcd_init+0xb2/0xb2
[ 43.655720] ? do_early_param+0x95/0x95
[ 43.655720] driver_register+0x70/0xc0
[ 43.655720] ? ehci_hcd_init+0xb2/0xb2
[ 43.655720] __pci_register_driver+0x57/0x60
[ 43.655720] ehci_pci_init+0x6a/0x6c
[ 43.655720] do_one_initcall+0x4a/0x1fa
[ 43.655720] ? do_early_param+0x95/0x95
[ 43.655720] kernel_init_freeable+0x1bd/0x262
[ 43.655720] ? rest_init+0xb0/0xb0
[ 43.655720] kernel_init+0xe/0x110
[ 43.655720] ret_from_fork+0x24/0x50
Fixes: 8af46c784ecfe ("iommu/vt-d: Implement is_attach_deferred iommu ops entry")
Cc: stable@vger.kernel.org # v5.3+
Signed-off-by: John Donnelly <john.p.donnelly@oracle.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Acer Aspire A315-41 requires the very same workaround as the existing
quirk for Dell Latitude 5495. Add the new entry for that.
BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1137799
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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platform_get_irq() will call dev_err() itself on failure,
so there is no need for the driver to also do this.
This is detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Add missing endianness conversion when setting the line speed so that
this driver might work also on big-endian machines.
Also use an unsigned format specifier in the corresponding debug
message.
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191029102354.2733-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix a user-controlled slab buffer overflow due to a missing sanity check
on the bulk-out transfer buffer used for control requests.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191029102354.2733-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The change to skip the PCH reference initialization during fastboot
did end up breaking FDI. To fix that let's try to do the PCH reference
init whenever we're disabling a DPLL that was using said reference
previously.
Cc: stable@vger.kernel.org
Tested-by: Andrija <akijo97@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112084
Fixes: b16c7ed95caf ("drm/i915: Do not touch the PCH SSC reference if a PLL is using it")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022185643.1483-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit dd5279c71405533d4ddbb9453effc60f0f5bf211)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-10-24
This series introduces misc fixes to mlx5 driver.
v1->v2:
- Dropped the kTLS counter documentation patch, Tariq will fix it and
send it later.
- Added a new fix for link speed mode reporting.
('net/mlx5e: Initialize link modes bitmap on stack')
For -stable v4.14
('net/mlx5e: Fix handling of compressed CQEs in case of low NAPI budget')
For -stable v4.19
('net/mlx5e: Fix ethtool self test: link speed')
For -stable v5.2
('net/mlx5: Fix flow counter list auto bits struct')
('net/mlx5: Fix rtable reference leak')
For -stable v5.3
('net/mlx5e: Remove incorrect match criteria assignment line')
('net/mlx5e: Determine source port properly for vlan push action')
('net/mlx5e: Initialize link modes bitmap on stack')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a bonding interface is being created, it setups its mode and options.
At that moment, it uses mode_lock so mode_lock should be initialized
before that moment.
rtnl_newlink()
rtnl_create_link()
alloc_netdev_mqs()
->setup() //bond_setup()
->newlink //bond_newlink
bond_changelink()
register_netdevice()
->ndo_init() //bond_init()
After commit 089bca2caed0 ("bonding: use dynamic lockdep key instead of
subclass"), mode_lock is initialized in bond_init().
So in the bond_changelink(), un-initialized mode_lock can be used.
mode_lock should be initialized in bond_setup().
This patch partially reverts commit 089bca2caed0 ("bonding: use dynamic
lockdep key instead of subclass")
Test command:
ip link add bond0 type bond mode 802.3ad lacp_rate 0
Splat looks like:
[ 60.615127] INFO: trying to register non-static key.
[ 60.615900] the code is fine but needs lockdep annotation.
[ 60.616697] turning off the locking correctness validator.
[ 60.617490] CPU: 1 PID: 957 Comm: ip Not tainted 5.4.0-rc3+ #109
[ 60.618350] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 60.619481] Call Trace:
[ 60.619918] dump_stack+0x7c/0xbb
[ 60.620453] register_lock_class+0x1215/0x14d0
[ 60.621131] ? alloc_netdev_mqs+0x7b3/0xcc0
[ 60.621771] ? is_bpf_text_address+0x86/0xf0
[ 60.622416] ? is_dynamic_key+0x230/0x230
[ 60.623032] ? unwind_get_return_address+0x5f/0xa0
[ 60.623757] ? create_prof_cpu_mask+0x20/0x20
[ 60.624408] ? arch_stack_walk+0x83/0xb0
[ 60.625023] __lock_acquire+0xd8/0x3de0
[ 60.625616] ? stack_trace_save+0x82/0xb0
[ 60.626225] ? stack_trace_consume_entry+0x160/0x160
[ 60.626957] ? deactivate_slab.isra.80+0x2c5/0x800
[ 60.627668] ? register_lock_class+0x14d0/0x14d0
[ 60.628380] ? alloc_netdev_mqs+0x7b3/0xcc0
[ 60.629020] ? save_stack+0x69/0x80
[ 60.629574] ? save_stack+0x19/0x80
[ 60.630121] ? __kasan_kmalloc.constprop.4+0xa0/0xd0
[ 60.630859] ? __kmalloc_node+0x16f/0x480
[ 60.631472] ? alloc_netdev_mqs+0x7b3/0xcc0
[ 60.632121] ? rtnl_create_link+0x2ed/0xad0
[ 60.634388] ? __rtnl_newlink+0xad4/0x11b0
[ 60.635024] lock_acquire+0x164/0x3b0
[ 60.635608] ? bond_3ad_update_lacp_rate+0x91/0x200 [bonding]
[ 60.636463] _raw_spin_lock_bh+0x38/0x70
[ 60.637084] ? bond_3ad_update_lacp_rate+0x91/0x200 [bonding]
[ 60.637930] bond_3ad_update_lacp_rate+0x91/0x200 [bonding]
[ 60.638753] ? bond_3ad_lacpdu_recv+0xb30/0xb30 [bonding]
[ 60.639552] ? bond_opt_get_val+0x180/0x180 [bonding]
[ 60.640307] ? ___slab_alloc+0x5aa/0x610
[ 60.640925] bond_option_lacp_rate_set+0x71/0x140 [bonding]
[ 60.641751] __bond_opt_set+0x1ff/0xbb0 [bonding]
[ 60.643217] ? kasan_unpoison_shadow+0x30/0x40
[ 60.643924] bond_changelink+0x9a4/0x1700 [bonding]
[ 60.644653] ? memset+0x1f/0x40
[ 60.742941] ? bond_slave_changelink+0x1a0/0x1a0 [bonding]
[ 60.752694] ? alloc_netdev_mqs+0x8ea/0xcc0
[ 60.753330] ? rtnl_create_link+0x2ed/0xad0
[ 60.753964] bond_newlink+0x1e/0x60 [bonding]
[ 60.754612] __rtnl_newlink+0xb9f/0x11b0
[ ... ]
Reported-by: syzbot+8da67f407bcba2c72e6e@syzkaller.appspotmail.com
Reported-by: syzbot+0d083911ab18b710da71@syzkaller.appspotmail.com
Fixes: 089bca2caed0 ("bonding: use dynamic lockdep key instead of subclass")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Use platform_get_irq_byname_optional() and platform_get_irq_optional()
instead of platform_get_irq_byname() and platform_get_irq() for optional
IRQs to avoid below error message during probe:
[ 0.795803] fec 30be0000.ethernet: IRQ pps not found
[ 0.800787] fec 30be0000.ethernet: IRQ index 3 not found
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Failed to get irq using name is NOT fatal as driver will use index
to get irq instead, use platform_get_irq_byname_optional() instead
of platform_get_irq_byname() to avoid below error message during
probe:
[ 0.819312] fec 30be0000.ethernet: IRQ int0 not found
[ 0.824433] fec 30be0000.ethernet: IRQ int1 not found
[ 0.829539] fec 30be0000.ethernet: IRQ int2 not found
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This patch is to improve the tun_info options_len by dropping
the skb when TUNNEL_VXLAN_OPT is set but options_len is less
than vxlan_metadata. This can void a potential out-of-bounds
access on ip_tun_info.
Fixes: ee122c79d422 ("vxlan: Flow based tunneling")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This is due to error in over budget processing.
When dealing with high throughput, the used buffers
that exceeds the budget is not cleaned up. In addition,
it takes a lot of cycles to clean up the used buffer,
and then the buffer where the valid data is located can take effect.
Signed-off-by: Jiangfeng Xiao <xiaojiangfeng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Prior to this patch, the amount of counters guaranteed per VF in the
resource tracker was MLX4_VF_COUNTERS_PER_PORT * MLX4_MAX_PORTS. It was
set regardless if the VF was single or dual port.
This caused several VFs to have no guaranteed counters although the
system could satisfy their request.
The fix is to dynamically guarantee counters, based on each VF
specification.
Fixes: 9de92c60beaa ("net/mlx4_core: Adjust counter grant policy in the resource tracker")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Initialize link modes bitmap on stack before using it, otherwise the
outcome of ethtool set link ksettings might have unexpected values.
Fixes: 4b95840a6ced ("net/mlx5e: Fix matching of speed to PRM link modes")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Ethtool self test contains a test for link speed. This test reads the
PTYS register and determines whether the current speed is valid or not.
Change current implementation to use the function mlx5e_port_linkspeed()
that does the same check and fails when speed is invalid. This code
redundancy lead to a bug when mlx5e_port_linkspeed() was updated with
expended speeds and the self test was not.
Fixes: 2c81bfd5ae56 ("net/mlx5e: Move port speed code from en_ethtool.c to en/port.c")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
When CQE compression is enabled, compressed CQEs use the following
structure: a title is followed by one or many blocks, each containing 8
mini CQEs (except the last, which may contain fewer mini CQEs).
Due to NAPI budget restriction, a complete structure is not always
parsed in one NAPI run, and some blocks with mini CQEs may be deferred
to the next NAPI poll call - we have the mlx5e_decompress_cqes_cont call
in the beginning of mlx5e_poll_rx_cq. However, if the budget is
extremely low, some blocks may be left even after that, but the code
that follows the mlx5e_decompress_cqes_cont call doesn't check it and
assumes that a new CQE begins, which may not be the case. In such cases,
random memory corruptions occur.
An extremely low NAPI budget of 8 is used when busy_poll or busy_read is
active.
This commit adds a check to make sure that the previous compressed CQE
has been completely parsed after mlx5e_decompress_cqes_cont, otherwise
it prevents a new CQE from being fetched in the middle of a compressed
CQE.
This commit fixes random crashes in __build_skb, __page_pool_put_page
and other not-related-directly places, that used to happen when both CQE
compression and busy_poll/busy_read were enabled.
Fixes: 7219ab34f184 ("net/mlx5e: CQE compression")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Geneve implementation changed mlx5 tc to user direct pointer to tunnel_key
action's internal struct ip_tunnel_info instance. However, this leads to
use-after-free error when initial filter that caused creation of new encap
entry is deleted or when tunnel_key action is manually overwritten through
action API. Moreover, with recent TC offloads API unlocking change struct
flow_action_entry->tunnel point to temporal copy of tunnel info that is
deallocated after filter is offloaded to hardware which causes bug to
reproduce every time new filter is attached to existing encap entry with
following KASAN bug:
[ 314.885555] ==================================================================
[ 314.886641] BUG: KASAN: use-after-free in memcmp+0x2c/0x60
[ 314.886864] Read of size 1 at addr ffff88886c746280 by task tc/2682
[ 314.887179] CPU: 22 PID: 2682 Comm: tc Not tainted 5.3.0-rc7+ #703
[ 314.887188] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017
[ 314.887195] Call Trace:
[ 314.887215] dump_stack+0x9a/0xf0
[ 314.887236] print_address_description+0x67/0x323
[ 314.887248] ? memcmp+0x2c/0x60
[ 314.887257] ? memcmp+0x2c/0x60
[ 314.887272] __kasan_report.cold+0x1a/0x3d
[ 314.887474] ? __mlx5e_tc_del_fdb_peer_flow+0x100/0x1b0 [mlx5_core]
[ 314.887484] ? memcmp+0x2c/0x60
[ 314.887509] kasan_report+0xe/0x12
[ 314.887521] memcmp+0x2c/0x60
[ 314.887662] mlx5e_tc_add_fdb_flow+0x51b/0xbe0 [mlx5_core]
[ 314.887838] ? mlx5e_encap_take+0x110/0x110 [mlx5_core]
[ 314.887902] ? lockdep_init_map+0x87/0x2c0
[ 314.887924] ? __init_waitqueue_head+0x4f/0x60
[ 314.888062] ? mlx5e_alloc_flow.isra.0+0x18c/0x1c0 [mlx5_core]
[ 314.888207] __mlx5e_add_fdb_flow+0x2d7/0x440 [mlx5_core]
[ 314.888359] ? mlx5e_tc_update_neigh_used_value+0x6f0/0x6f0 [mlx5_core]
[ 314.888374] ? match_held_lock+0x2e/0x240
[ 314.888537] mlx5e_configure_flower+0x830/0x16a0 [mlx5_core]
[ 314.888702] ? __mlx5e_add_fdb_flow+0x440/0x440 [mlx5_core]
[ 314.888713] ? down_read+0x118/0x2c0
[ 314.888728] ? down_read_killable+0x300/0x300
[ 314.888882] ? mlx5e_rep_get_ethtool_stats+0x180/0x180 [mlx5_core]
[ 314.888899] tc_setup_cb_add+0x127/0x270
[ 314.888937] fl_hw_replace_filter+0x2ac/0x380 [cls_flower]
[ 314.888976] ? fl_hw_destroy_filter+0x1b0/0x1b0 [cls_flower]
[ 314.888990] ? fl_change+0xbcf/0x27ef [cls_flower]
[ 314.889030] ? fl_change+0xa57/0x27ef [cls_flower]
[ 314.889069] fl_change+0x16bd/0x27ef [cls_flower]
[ 314.889135] ? __rhashtable_insert_fast.constprop.0+0xa00/0xa00 [cls_flower]
[ 314.889167] ? __radix_tree_lookup+0xa4/0x130
[ 314.889200] ? fl_get+0x169/0x240 [cls_flower]
[ 314.889218] ? fl_walk+0x230/0x230 [cls_flower]
[ 314.889249] tc_new_tfilter+0x5e1/0xd40
[ 314.889281] ? __rhashtable_insert_fast.constprop.0+0xa00/0xa00 [cls_flower]
[ 314.889309] ? tc_del_tfilter+0xa30/0xa30
[ 314.889335] ? __lock_acquire+0x5b5/0x2460
[ 314.889378] ? find_held_lock+0x85/0xa0
[ 314.889442] ? tc_del_tfilter+0xa30/0xa30
[ 314.889465] rtnetlink_rcv_msg+0x4ab/0x5f0
[ 314.889488] ? rtnl_dellink+0x490/0x490
[ 314.889518] ? lockdep_hardirqs_on+0x260/0x260
[ 314.889538] ? netlink_deliver_tap+0xab/0x5a0
[ 314.889550] ? match_held_lock+0x1b/0x240
[ 314.889575] netlink_rcv_skb+0xd0/0x200
[ 314.889588] ? rtnl_dellink+0x490/0x490
[ 314.889605] ? netlink_ack+0x440/0x440
[ 314.889635] ? netlink_deliver_tap+0x161/0x5a0
[ 314.889648] ? lock_downgrade+0x360/0x360
[ 314.889657] ? lock_acquire+0xe5/0x210
[ 314.889686] netlink_unicast+0x296/0x350
[ 314.889707] ? netlink_attachskb+0x390/0x390
[ 314.889726] ? _copy_from_iter_full+0xe0/0x3a0
[ 314.889738] ? __virt_addr_valid+0xbb/0x130
[ 314.889771] netlink_sendmsg+0x394/0x600
[ 314.889800] ? netlink_unicast+0x350/0x350
[ 314.889817] ? move_addr_to_kernel.part.0+0x90/0x90
[ 314.889852] ? netlink_unicast+0x350/0x350
[ 314.889872] sock_sendmsg+0x96/0xa0
[ 314.889891] ___sys_sendmsg+0x482/0x520
[ 314.889919] ? copy_msghdr_from_user+0x250/0x250
[ 314.889930] ? __fput+0x1fa/0x390
[ 314.889941] ? task_work_run+0xb7/0xf0
[ 314.889957] ? exit_to_usermode_loop+0x117/0x120
[ 314.889972] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 314.889982] ? do_syscall_64+0x74/0xe0
[ 314.889992] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 314.890012] ? mark_lock+0xac/0x9a0
[ 314.890028] ? __lock_acquire+0x5b5/0x2460
[ 314.890053] ? mark_lock+0xac/0x9a0
[ 314.890083] ? __lock_acquire+0x5b5/0x2460
[ 314.890112] ? match_held_lock+0x1b/0x240
[ 314.890144] ? __fget_light+0xa1/0xf0
[ 314.890166] ? sockfd_lookup_light+0x91/0xb0
[ 314.890187] __sys_sendmsg+0xba/0x130
[ 314.890201] ? __sys_sendmsg_sock+0xb0/0xb0
[ 314.890225] ? __blkcg_punt_bio_submit+0xd0/0xd0
[ 314.890264] ? lockdep_hardirqs_off+0xbe/0x100
[ 314.890274] ? mark_held_locks+0x24/0x90
[ 314.890286] ? do_syscall_64+0x1e/0xe0
[ 314.890308] do_syscall_64+0x74/0xe0
[ 314.890325] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 314.890336] RIP: 0033:0x7f00ca33d7b8
[ 314.890348] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 65 8f 0c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 5
4
[ 314.890356] RSP: 002b:00007ffea2983928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 314.890369] RAX: ffffffffffffffda RBX: 000000005d777d5b RCX: 00007f00ca33d7b8
[ 314.890377] RDX: 0000000000000000 RSI: 00007ffea2983990 RDI: 0000000000000003
[ 314.890384] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000006
[ 314.890392] R10: 0000000000404eda R11: 0000000000000246 R12: 0000000000000001
[ 314.890400] R13: 000000000047f640 R14: 00007ffea2987b58 R15: 0000000000000021
[ 314.890529] Allocated by task 2687:
[ 314.890684] save_stack+0x1b/0x80
[ 314.890694] __kasan_kmalloc.constprop.0+0xc2/0xd0
[ 314.890705] __kmalloc_track_caller+0x102/0x340
[ 314.890721] kmemdup+0x1d/0x40
[ 314.890730] tc_setup_flow_action+0x731/0x2c27
[ 314.890743] fl_hw_replace_filter+0x23b/0x380 [cls_flower]
[ 314.890756] fl_change+0x16bd/0x27ef [cls_flower]
[ 314.890765] tc_new_tfilter+0x5e1/0xd40
[ 314.890776] rtnetlink_rcv_msg+0x4ab/0x5f0
[ 314.890786] netlink_rcv_skb+0xd0/0x200
[ 314.890796] netlink_unicast+0x296/0x350
[ 314.890805] netlink_sendmsg+0x394/0x600
[ 314.890815] sock_sendmsg+0x96/0xa0
[ 314.890825] ___sys_sendmsg+0x482/0x520
[ 314.890834] __sys_sendmsg+0xba/0x130
[ 314.890844] do_syscall_64+0x74/0xe0
[ 314.890854] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 314.890937] Freed by task 2687:
[ 314.891076] save_stack+0x1b/0x80
[ 314.891086] __kasan_slab_free+0x12c/0x170
[ 314.891095] kfree+0xeb/0x2f0
[ 314.891106] tc_cleanup_flow_action+0x69/0xa0
[ 314.891119] fl_hw_replace_filter+0x2c5/0x380 [cls_flower]
[ 314.891132] fl_change+0x16bd/0x27ef [cls_flower]
[ 314.891140] tc_new_tfilter+0x5e1/0xd40
[ 314.891151] rtnetlink_rcv_msg+0x4ab/0x5f0
[ 314.891161] netlink_rcv_skb+0xd0/0x200
[ 314.891170] netlink_unicast+0x296/0x350
[ 314.891180] netlink_sendmsg+0x394/0x600
[ 314.891190] sock_sendmsg+0x96/0xa0
[ 314.891200] ___sys_sendmsg+0x482/0x520
[ 314.891208] __sys_sendmsg+0xba/0x130
[ 314.891218] do_syscall_64+0x74/0xe0
[ 314.891228] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 314.891315] The buggy address belongs to the object at ffff88886c746280
which belongs to the cache kmalloc-96 of size 96
[ 314.891762] The buggy address is located 0 bytes inside of
96-byte region [ffff88886c746280, ffff88886c7462e0)
[ 314.892196] The buggy address belongs to the page:
[ 314.892387] page:ffffea0021b1d180 refcount:1 mapcount:0 mapping:ffff88835d00ef80 index:0x0
[ 314.892398] flags: 0x57ffffc0000200(slab)
[ 314.892413] raw: 0057ffffc0000200 ffffea00219e0340 0000000800000008 ffff88835d00ef80
[ 314.892423] raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
[ 314.892430] page dumped because: kasan: bad access detected
[ 314.892515] Memory state around the buggy address:
[ 314.892707] ffff88886c746180: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 314.892976] ffff88886c746200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 314.893251] >ffff88886c746280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 314.893522] ^
[ 314.893657] ffff88886c746300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 314.893924] ffff88886c746380: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[ 314.894189] ==================================================================
Fix the issue by duplicating tunnel info into per-encap copy that is
deallocated with encap structure. Also, duplicate tunnel info in flow parse
attribute to support cases when flow might be attached asynchronously.
Fixes: 1f6da30697d0 ("net/mlx5e: Geneve, Keep tunnel info as pointer to the original struct")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
The cited commit refactored the encap id into a struct pointed from the
destination.
Bug fix for the case there is no encap for one of the destinations.
Fixes: 2b688ea5efde ("net/mlx5: Add flow steering actions to fs_cmd shim layer")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
If the rt entry gateway family is not AF_INET for multipath device,
rtable reference is leaked.
Hence, fix it by releasing the reference.
Fixes: 5fb091e8130b ("net/mlx5e: Use hint to resolve route when in HW multipath mode")
Fixes: e32ee6c78efa ("net/mlx5e: Support tunnel encap over tagged Ethernet")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
When encap entry initialization completes successfully e->compl_result is
set to positive value and not zero, like mlx5e_rep_update_flows() assumes
at the moment. Fix the conditional to only skip encap flows update when
e->compl_result < 0.
Fixes: 2a1f1768fa17 ("net/mlx5e: Refactor neigh update for concurrent execution")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Memory allocated by kvzalloc should be freed by kvfree.
Fixes: cef35af34d6d ("net/mlx5e: Add mlx5e HV VHCA stats agent")
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Driver have function, which enable match criteria for misc parameters
in dependence of eswitch capabilities.
Fixes: 4f5d1beadc10 ("Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Termination tables are used for vlan push actions on uplink ports.
To support RoCE dual port the source port value was placed in a register.
Fix the code to use an API method returning the source port according to
the FW capabilities.
Fixes: 10caabdaad5a ("net/mlx5e: Use termination table for VLAN push actions")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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