Make sure all pending work requests are completed before freeing
a link.
Dismiss tx pending slots already when terminating a link group to
exploit termination shortcut in tx completion queue handler.
And kill the completion queue tasklets after destroy of the
completion queues, otherwise there is a time window for another
tasklet schedule of an already killed tasklet.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For abnormal termination issue an LLC DELETE_LINK without the
orderly flag.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Avoid waiting for a free work request buffer, if the link group
is already terminating.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the ism module is unloaded return control from exit routine only,
if all link groups are freed.
If an IB device is thrown away return control from device removal only,
if all link groups belonging to this device are freed.
A counters for the total number of SMCD link groups per ISM device is
introduced. ism module unloading continues only if the total number of
SMCD link groups for all ISM devices is zero. ISM device
removal continues only it the total number of SMCD link groups per ISM
device has decreased to zero.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A final cleanup due to SMCD device removal means immediate freeing
of all link groups belonging to this device in interrupt context.
This patch introduces a separate SMCD link group termination routine,
which terminates all link groups of an SMCD device.
This new routine smcd_terminate_all ()is reused if the smc module is
unloaded.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SMCD link group termination is called when peer signals its shutdown
of its corresponding link group. For regular shutdowns no connections
exist anymore. For abnormal shutdowns connections must be killed and
their DMBs must be unregistered immediately. That means the SMCR method
to delay the link group freeing several seconds does not fit.
This patch adds immediate termination of a link group and its SMCD
connections and makes sure all SMCD link group related cleanup steps
are finished.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If peer announces shutdown, use the link group terminate worker for
local cleanup of link groups and connections to terminate link group
in proper context.
Make sure link groups are cleaned up first before destroying the
event queue of the SMCD device, because link group cleanup may
raise events.
Send signal shutdown only if peer has not done it already.
Send socket abort or close only, if peer has not already announced
shutdown.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that TX Coalesce has been rewritten we no longer need this
additional interrupt enabled. This reduces CPU usage.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Coalesce logic currently increments the number of packets and sets the
IC bit when the coalesced packets have passed a given limit. This does
not reflect very well what coalesce was meant for as we can have a large
number of packets that are coalesced and then a single one, sent later
on that has the IC bit.
Rework the logic so that it coalesces only upon a limit of packets and
sets the IC bit for large number of packets.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tune-up the defalt coalesce settings for optimal values. This gives the
best performance in most of the use-cases.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RFA and RFD should not be dependent on FIFO size. In fact, the more FIFO
space we have, the later we can activate Flow Control. Let's use
hard-coded values for RFA and RFD for all FIFO sizes with the exception
of 4k, which is a special case.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RFA and RFD should not be dependent on FIFO size. In fact, the more FIFO
space we have, the later we can activate Flow Control. Let's use
hard-coded values for RFA and RFD for all FIFO sizes with the exception
of 4k, which is a special case.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For performance reasons, sometimes using the minimum RX Coalesce value
is not optimal. Lets setup a default value that is optimal in most of
the use cases.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We may only want to use the RX Watchdog so lets check if RX Coalesce
settings are non-zero and only set the RX Interrupt on Completion bit if
its not.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 0c3cbbf96d ("mlxsw: Add specific trap for packets routed via
invalid nexthops") allocated an adjacency entry during driver
initialization whose purpose is to discard packets hitting the route
pointing to it.
These adjacency entries are allocated from a resource called KVD linear
(KVDL). There are situations in which the user can decide to set the
size of this resource (via devlink-resource) to 0, in which case the
driver will not be able to load.
Therefore, instead of pre-allocating this adjacency entry, simply
allocate it only when needed. A variable indicating the validity of the
entry is added and is used to ensure it is only allocated and written
once and that it is freed after all the routes were flushed.
Fixes: 0c3cbbf96d ("mlxsw: Add specific trap for packets routed via invalid nexthops")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If a malicious device gives a short MAC it can elicit up to
5 bytes of leaked memory out of the driver. We need to check for
ETH_ALEN instead.
Reported-by: syzbot+a8d4acdad35e6bbca308@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw does not support VXLAN devices with a physical device attached and
vetoes such configurations upon enslavement to an offloaded bridge.
Commit 0ce1822c2a ("vxlan: add adjacent link to limit depth level")
changed the VXLAN device to be an upper of the physical device which
causes mlxsw to veto the creation of the VXLAN device with "Unknown
upper device type".
This is OK as this configuration is not supported, but it prevents us
from testing bad flows involving the enslavement of VXLAN devices with a
physical device to a bridge, regardless if the physical device is an
mlxsw netdev or not.
Adjust the test to use a dummy device as a physical device instead of a
mlxsw netdev.
Fixes: 0ce1822c2a ("vxlan: add adjacent link to limit depth level")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If PROC_FS is not set, gcc warning this:
net/tls/tls_proc.c:23:12: warning:
'tls_statistics_seq_show' defined but not used [-Wunused-function]
Use #ifdef to guard this.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver forgets to destroy workqueue in remove() similarly to what is
done when probe() fails. Add a call to destroy_workqueue() to fix it.
Since unregistration will wait for the work to finish, we do not need to
cancel/flush the work instance in remove().
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191114023405.31477-1-hslester96@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
patch that went into -rc1 and a fixup for a bogus warning on older
gcc versions.
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Merge tag 'ceph-for-5.4-rc8' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Two fixes for the buffered reads and O_DIRECT writes serialization
patch that went into -rc1 and a fixup for a bogus warning on older gcc
versions"
* tag 'ceph-for-5.4-rc8' of git://github.com/ceph/ceph-client:
rbd: silence bogus uninitialized warning in rbd_object_map_update_finish()
ceph: increment/decrement dio counter on async requests
ceph: take the inode lock before acquiring cap refs
When a lookup is done, the afs filesystem will perform a bulk status-fetch
operation on the requested vnode (file) plus the next 49 other vnodes from
the directory list (in AFS, directory contents are downloaded as blobs and
parsed locally). When the results are received, it will speculatively
populate the inode cache from the extra data.
However, if the lookup races with another lookup on the same directory, but
for a different file - one that's in the 49 extra fetches, then if the bulk
status-fetch operation finishes first, it will try and update the inode
from the other lookup.
If this other inode is still in the throes of being created, however, this
will cause an assertion failure in afs_apply_status():
BUG_ON(test_bit(AFS_VNODE_UNSET, &vnode->flags));
on or about fs/afs/inode.c:175 because it expects data to be there already
that it can compare to.
Fix this by skipping the update if the inode is being created as the
creator will presumably set up the inode with the same information.
Fixes: 39db9815da ("afs: Fix application of the results of a inline bulk status fetch")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Handle CC variables containing quotes in tools-support-relr.sh script
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"One trivial fix for -rc8/final that ensures that the script used to
detect RELR relocation support in the toolchain works correctly when
$CC contains quotes. Although it fails safely (by failing to detect
the support when it exists), it would be nice to have this fixed in
5.4 given that it was only introduced in the last merge window.
Summary:
- Handle CC variables containing quotes in tools-support-relr.sh
script"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
scripts/tools-support-relr.sh: un-quote variables
MAINTAINERS update for Broadcom MIPS systems.
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Merge tag 'mips_fixes_5.4_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A fix and simplification for SGI IP27 exception handlers, and a small
MAINTAINERS update for Broadcom MIPS systems"
* tag 'mips_fixes_5.4_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MAINTAINERS: Remove Kevin as maintainer of BMIPS generic platforms
MIPS: SGI-IP27: fix exception handler replication
* Two updates to the IFU erratum
* selftests build fix
* Brown paper bag fix
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM fixes from Paolo Bonzini:
- fixes for CONFIG_KVM_COMPAT=n
- two updates to the IFU erratum
- selftests build fix
- brown paper bag fix
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Add a comment describing the /dev/kvm no_compat handling
KVM: x86/mmu: Take slots_lock when using kvm_mmu_zap_all_fast()
KVM: Forbid /dev/kvm being opened by a compat task when CONFIG_KVM_COMPAT=n
KVM: X86: Reset the three MSR list number variables to 0 in kvm_init_msr_list()
selftests: kvm: fix build with glibc >= 2.30
kvm: x86: disable shattered huge page recovery for PREEMPT_RT.
A few small last-minute fixes for USB-audio and HD-audio as well
as for PCM core:
- A race fix for PCM core between stopping and closing a stream
- USB-audio regressions in the recent descriptor validation code
and relevant changes
- A read of uninitialized value in USB-audio spotted by fuzzer
- A fix for USB-audio race at stopping a stream
- Intel HD-audio platform fixes
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Merge tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few small last-minute fixes for USB-audio and HD-audio as well as
for PCM core:
- A race fix for PCM core between stopping and closing a stream
- USB-audio regressions in the recent descriptor validation code and
relevant changes
- A read of uninitialized value in USB-audio spotted by fuzzer
- A fix for USB-audio race at stopping a stream
- Intel HD-audio platform fixes"
* tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Fix incorrect size check for processing/extension units
ALSA: usb-audio: Fix incorrect NULL check in create_yamaha_midi_quirk()
ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
ALSA: usb-audio: not submit urb for stopped endpoint
ALSA: hda: hdmi - fix pin setup on Tigerlake
ALSA: hda: Add Cometlake-S PCI ID
ALSA: usb-audio: Fix missing error check at mixer resolution test
i915:
- MOCS table fixes for EHL and TGL
- Update Display's rawclock on resume
- GVT's dmabuf reference drop fix
amdgpu:
- Fix a potential crash in firmware parsing
sun4i:
- One fix to the dotclock dividers range for sun4i
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Merge tag 'drm-fixes-2019-11-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Here is this weeks non-intel hw vuln fixes pull. Three drivers, all
small fixes.
i915:
- MOCS table fixes for EHL and TGL
- Update Display's rawclock on resume
- GVT's dmabuf reference drop fix
amdgpu:
- Fix a potential crash in firmware parsing
sun4i:
- One fix to the dotclock dividers range for sun4i"
* tag 'drm-fixes-2019-11-15' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: fix null pointer deref in firmware header printing
drm/i915/tgl: MOCS table update
Revert "drm/i915/ehl: Update MOCS table for EHL"
drm/sun4i: tcon: Set min division of TCON0_DCLK to 1.
drm/i915: update rawclk also on resume
drm/i915/gvt: fix dropping obj reference twice
Pull misc vfs fixes from Al Viro:
"Assorted fixes all over the place; some of that is -stable fodder,
some regressions from the last window"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either
ecryptfs_lookup_interpose(): lower_dentry->d_inode is not stable
ecryptfs: fix unlink and rmdir in face of underlying fs modifications
audit_get_nd(): don't unlock parent too early
exportfs_decode_fh(): negative pinned may become positive without the parent locked
cgroup: don't put ERR_PTR() into fc->root
autofs: fix a leak in autofs_expire_indirect()
aio: Fix io_pgetevents() struct __compat_aio_sigset layout
fs/namespace.c: fix use-after-free of mount in mnt_warn_timestamp_expiry()
Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function rtl8xxxu_gen2_config_channel:
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:1266:13: warning: variable rsr set but not used [-Wunused-but-set-variable]
rsr is never used, so remove it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add a comment explaining the rational behind having both
no_compat open and ioctl callbacks to fend off compat tasks.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The code now compiles without ACPI, but there's a warning since
iwl_mvm_get_ppag_table() isn't used, and iwl_mvm_ppag_init() must
not unconditionally fail but return success instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Somehow two tabs snuck into this file where just one should be
used, fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This is dead code, nothing uses the IWL_DEVICE_22560 macro and
thus nothing every uses IWL_DEVICE_FAMILY_22560. Remove it all.
While at it, remove some code and definitions used only in this
case, and clean up some comments/names that still refer to it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The firmware API has changed a little bit but this change
has no impact on the flow and is backward compatible.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The current budget of 2000mA is preventing us from reaching maximum
throughput. According to our system engineers, we can increase the
maximum budget to 2400mA to solve this problem.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
There are various of flows which require tids flushing
(disconnection, suspend, etc...).
Currently, when the driver instructs the FW to flush
he masks all the data tids(0-7).
However, the driver doesn't set the management tid (#15)
which cause the FW not to flush it.
When the FW tries to remove the mgmt queue he throws an assert
since it is not an empty queue.
instead of just set only the data tids set everything and let
the FW ignore the invalid tids.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Align to the requirement update and support adaptive dwell in p2p scan.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Refactored the SAR related functions from iwlmvm to acpi
in order to make it shared between different opmodes
in addition to removing unused variable ppag_rev.
Signed-off-by: Ihab Zhaika <ihab.zhaika@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Implement scan request command version 12.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Implement a new versioning handling flow supported from version 11
onwards.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This is present since the introduction of iwlmvm.
Example stack trace on MIPS:
[<ffffffffc0789328>] iwl_mvm_rx_rx_mpdu+0xa8/0xb88 [iwlmvm]
[<ffffffffc0632b40>] iwl_pcie_rx_handle+0x420/0xc48 [iwlwifi]
Tested with a Wireless AC 7265 for ~6 months, confirmed to fix the
problem. No other unaligned accesses are spotted yet.
Signed-off-by: Wang Xuerui <wangxuerui@qiniu.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The variable bufsz is being initialized with a value that is never
read and it is being updated later with a new value. The
initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Start supporting API version 51 for 22000 series.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add a reference to the correct enum rather than showing
the pattern of the actual constants.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Use the rs_pretty_print_rate() function to print the rate_n_flags in
more human-readable format.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
