The MDB maintained by the bridge is limited. When the bridge is configured
for IGMP / MLD snooping, a buggy or malicious client can easily exhaust its
capacity. In SW datapath, the capacity is configurable through the
IFLA_BR_MCAST_HASH_MAX parameter, but ultimately is finite. Obviously a
similar limit exists in the HW datapath for purposes of offloading.
In order to prevent the issue of unilateral exhaustion of MDB resources,
introduce two parameters in each of two contexts:
- Per-port and per-port-VLAN number of MDB entries that the port
is member in.
- Per-port and (when BROPT_MCAST_VLAN_SNOOPING_ENABLED is enabled)
per-port-VLAN maximum permitted number of MDB entries, or 0 for
no limit.
The per-port multicast context is used for tracking of MDB entries for the
port as a whole. This is available for all bridges.
The per-port-VLAN multicast context is then only available on
VLAN-filtering bridges on VLANs that have multicast snooping on.
With these changes in place, it will be possible to configure MDB limit for
bridge as a whole, or any one port as a whole, or any single port-VLAN.
Note that unlike the global limit, exhaustion of the per-port and
per-port-VLAN maximums does not cause disablement of multicast snooping.
It is also permitted to configure the local limit larger than hash_max,
even though that is not useful.
In this patch, introduce only the accounting for number of entries, and the
max field itself, but not the means to toggle the max. The next patch
introduces the netlink APIs to toggle and read the values.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The following patch will add two more maximum MDB allowances to the global
one, mcast_hash_max, that exists today. In all these cases, attempts to add
MDB entries above the configured maximums through netlink, fail noisily and
obviously. Such visibility is missing when adding entries through the
control plane traffic, by IGMP or MLD packets.
To improve visibility in those cases, add a trace point that reports the
violation, including the relevant netdevice (be it a slave or the bridge
itself), and the MDB entry parameters:
# perf record -e bridge:br_mdb_full &
# [...]
# perf script | cut -d: -f4-
dev v2 af 2 src ::ffff:0.0.0.0 grp ::ffff:239.1.1.112/00:00:00:00:00:00 vid 0
dev v2 af 10 src :: grp ff0e::112/00:00:00:00:00:00 vid 0
dev v2 af 2 src ::ffff:0.0.0.0 grp ::ffff:239.1.1.112/00:00:00:00:00:00 vid 10
dev v2 af 10 src 2001:db8:1::1 grp ff0e::1/00:00:00:00:00:00 vid 10
dev v2 af 2 src ::ffff:192.0.2.1 grp ::ffff:239.1.1.1/00:00:00:00:00:00 vid 10
CC: Steven Rostedt <rostedt@goodmis.org>
CC: linux-trace-kernel@vger.kernel.org
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This function is getting more to clean up in the following patches.
Structuring the cleanups in one labeled block will allow reusing the same
cleanup from several places.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since cleaning up the effects of br_multicast_new_port_group() just
consists of delisting and freeing the memory, the function
br_mdb_add_group_star_g() inlines the corresponding code. In the following
patches, number of per-port and per-port-VLAN MDB entries is going to be
maintained, and that counter will have to be updated. Because that logic
is going to be hidden in the br_multicast module, introduce a new hook
intended to again remove a newly-created group.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that br_multicast_new_port_group() takes an extack argument, move
setting the extack there. The downside is that the error messages end
up being less specific (the function cannot distinguish between (S,G)
and (*,G) groups). However, the alternative is to check in the caller
whether the callee set the extack, and if it didn't, set it. But that
is only done when the callee is not exactly known. (E.g. in case of a
notifier invocation.)
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make it possible to set an extack in br_multicast_new_port_group().
Eventually, this function will check for per-port and per-port-vlan
MDB maximums, and will use the extack to communicate the reason for
the bounce.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make any attributes newly-added to br_port_policy or vlan_tunnel_policy
parsed strictly, to prevent userspace from passing garbage. Note that this
patchset only touches the former policy. The latter was adjusted for
completeness' sake. There do not appear to be other _deprecated calls
with non-NULL policies.
Suggested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Entries can linger in cache without timer for days, thanks to
the gc_thresh1 limit. As result, without traffic, the confirmed
time can be outdated and to appear to be in the future. Later,
on traffic, NUD_STALE entries can switch to NUD_DELAY and start
the timer which can see the invalid confirmed time and wrongly
switch to NUD_REACHABLE state instead of NUD_PROBE. As result,
timer is set many days in the future. This is more visible on
32-bit platforms, with higher HZ value.
Why this is a problem? While we expect unused entries to expire,
such entries stay in REACHABLE state for too long, locked in
cache. They are not expired normally, only when cache is full.
Problem and the wrong state change reported by Zhang Changzhong:
172.16.1.18 dev bond0 lladdr 0a:0e:0f:01:12:01 ref 1 used 350521/15994171/350520 probes 4 REACHABLE
350520 seconds have elapsed since this entry was last updated, but it is
still in the REACHABLE state (base_reachable_time_ms is 30000),
preventing lladdr from being updated through probe.
Fix it by ensuring timer is started with valid used/confirmed
times. Considering the valid time range is LONG_MAX jiffies,
we try not to go too much in the past while we are in
DELAY/PROBE state. There are also places that need
used/updated times to be validated while timer is not running.
Reported-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Tested-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Machon says:
====================
net: Add support for PSFP in Sparx5
================================================================================
Add support for Per-Stream Filtering and Policing (802.1Q-2018, 8.6.5.1).
================================================================================
The VCAP CLM (VCAP IS0 ingress classifier) classifies streams,
identified by ISDX (Ingress Service Index, frame metadata), and maps
ISDX to streams.
Flow meters are also classified by ISDX, and implemented using service
policers (Service Dual Leacky Buckets, SDLB). Leacky buckets are linked
together in a leak chain of a leak group. Leak groups a preconfigured to serve
buckets within a certain rate interval.
Stream gates are time-based policers used by PSFP. Frames are dropped
based on the gate state (OPEN/ CLOSE), whose state will be altered based
on the Gate Control List (GCL) and current PTP time. Apart from
time-based policing, stream gates can alter egress queue selection for
the frames that pass through the Gate. This is done through Internal
Priority Selector (IPS). Stream gates are mapped from stream filters.
Support for tc actions gate and police, have been added to the VCAP IS0 set of
supported actions.
Examples:
// tc filter with gate action
$ tc filter add dev eth1 ingress chain 1100000 prio 1 handle 1001 protocol \
802.1q flower skip_sw vlan_id 100 action gate base-time 0 sched-entry open \
700000 7 8m sched-entry close 300000 action goto chain 1200000
// tc filter with police action
$ tc filter add dev eth1 ingress chain 1100000 prio 1 handle 1002 protocol \
802.1q flower skip_sw vlan_id 100 action police rate 1gbit burst 8096 \
conform-exceed drop action goto chain 1200000
================================================================================
Patches
================================================================================
Patch #1: Adds new register needed for PSFP.
Patch #2: Adds resource pools to control PSFP needed chip resources.
Patch #3: Adds support for SDLB's needed for flow-meters.
Patch #4: Adds support for service policers.
Patch #5: Adds support for PSFP flow-meters, using service policers.
Patch #6: Adds a new function to calculate basetime, required by flow-meters.
Patch #7: Adds support for PSFP stream gates.
Patch #8: Adds support for PSFP stream filters.
Patch #9: Adds a function to initialize flow-meters, stream gates and stream
filters.
Patch #10: Adds the required flower code to configure PSFP using the tc command.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for tc actions gate and police, in order to implement
support for configuring PSFP through tc.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Initialize the SDLB's, stream gates and stream filters.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for configuring PSFP stream filters (IEEE 802.1Q-2018,
8.6.5.1.1).
The VCAP CLM (VCAP IS0 ingress classifier) classifies streams,
identified by ISDX (Ingress Service Index, frame metadata), and maps
ISDX to streams.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for configuring PSFP stream gates (IEEE 802.1Q-2018,
8.6.5.1.2).
Stream gates are time-based policers used by PSFP. Frames are dropped
based on the gate state (OPEN/ CLOSE), whose state will be altered based
on the Gate Control List (GCL) and current PTP time. Apart from
time-based policing, stream gates can alter egress queue selection for
the frames that pass through the Gate. This is done through Internal
Priority Selector (IPS). Stream gates are mapped from stream filters.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a new function for calculating PTP basetime, required by the stream
gate scheduler to calculate gate state (open / close).
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for configuring PSFP flow-meters (IEEE 802.1Q-2018,
8.6.5.1.3).
The VCAP CLM (VCAP IS0 ingress classifier) classifies streams,
identified by ISDX (Ingress Service Index, frame metadata), and maps
ISDX to flow-meters. SDLB's provide the flow-meter parameters.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add initial API for configuring policers. This patch add support for
service policers.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for Service Dual Leacky Buckets (SDLB), used to implement
PSFP flow-meters. Buckets are linked together in a leak chain of a leak
group. Leak groups a preconfigured to serve buckets within a certain
rate interval.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add resource pools and accessor functions. These pools can be queried by
the driver, whenever a finite resource is required. Some resources can
be reused, in which case an index and a reference count is used to keep
track of users.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add registers needed for PSFP. This patch also renames a single
register, shortening its name (SYS_CLK_PER_100PS). Uses have been update
accordingly.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull ELF fix from Al Viro:
"One of the many equivalent build warning fixes for !CONFIG_ELF_CORE
configs. Geert's is the earliest one I've been able to find"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
coredump: Move dump_emit_page() to kill unused warning
Here are some small USB fixes for 6.2-rc7 that resolve some reported
problems. These include:
- gadget driver fixes
- dwc3 driver fix
- typec driver fix
- MAINTAINERS file update.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes that resolve some reported problems.
These include:
- gadget driver fixes
- dwc3 driver fix
- typec driver fix
- MAINTAINERS file update.
All of these have been in linux-next with no reported problems"
* tag 'usb-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: ucsi: Don't attempt to resume the ports before they exist
usb: gadget: udc: do not clear gadget driver.bus
usb: gadget: f_uac2: Fix incorrect increment of bNumEndpoints
usb: gadget: f_fs: Fix unbalanced spinlock in __ffs_ep0_queue_wait
usb: dwc3: qcom: enable vbus override when in OTG dr-mode
MAINTAINERS: Add myself as UVC Gadget Maintainer
Here are some small serial and vt fixes for 6.2-rc7. These include:
- 8250 driver fixes relating to dma issues
- stm32 serial driver fix for threaded irqs
- vc_screen bugfix for reported problems.
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small serial and vt fixes. These include:
- 8250 driver fixes relating to dma issues
- stm32 serial driver fix for threaded irqs
- vc_screen bugfix for reported problems.
All have been in linux-next for a while with no reported problems"
* tag 'tty-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
serial: 8250_dma: Fix DMA Rx rearm race
serial: 8250_dma: Fix DMA Rx completion race
serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler
Here are a number of small char/misc/whatever driver fixes for 6.2-rc7.
They include:
- IIO driver fixes for some reported problems
- nvmem driver fixes
- fpga driver fixes
- debugfs memory leak fix in the hv_balloon and irqdomain code
(irqdomain change was acked by the maintainer.)
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of small char/misc/whatever driver fixes. They
include:
- IIO driver fixes for some reported problems
- nvmem driver fixes
- fpga driver fixes
- debugfs memory leak fix in the hv_balloon and irqdomain code
(irqdomain change was acked by the maintainer)
All have been in linux-next with no reported problems"
* tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (33 commits)
kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
HV: hv_balloon: fix memory leak with using debugfs_lookup()
nvmem: qcom-spmi-sdam: fix module autoloading
nvmem: core: fix return value
nvmem: core: fix cell removal on error
nvmem: core: fix device node refcounting
nvmem: core: fix registration vs use race
nvmem: core: fix cleanup after dev_set_name()
nvmem: core: remove nvmem_config wp_gpio
nvmem: core: initialise nvmem->id early
nvmem: sunxi_sid: Always use 32-bit MMIO reads
nvmem: brcm_nvram: Add check for kzalloc
iio: imu: fxos8700: fix MAGN sensor scale and unit
iio: imu: fxos8700: remove definition FXOS8700_CTRL_ODR_MIN
iio: imu: fxos8700: fix failed initialization ODR mode assignment
iio: imu: fxos8700: fix incorrect ODR mode readback
iio: light: cm32181: Fix PM support on system with 2 I2C resources
iio: hid: fix the retval in gyro_3d_capture_sample
iio: hid: fix the retval in accel_3d_capture_sample
iio: imu: st_lsm6dsx: fix build when CONFIG_IIO_TRIGGERED_BUFFER=m
...
- Check font size in fbcon, reported by UBSAN and syzbot
- Use backlight helpers in various fbdev drivers
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Merge tag 'fbdev-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
- fix fbcon to prevent fonts bigger than 32x32 pixels to avoid
overflows reported by syzbot
- switch omapfb to use kstrtobool()
- switch some fbdev drivers to use the backlight helpers
* tag 'fbdev-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbcon: Check font dimension limits
fbdev: omapfb: Use kstrtobool() instead of strtobool()
fbdev: fbmon: fix function name in kernel-doc
fbdev: atmel_lcdfb: Rework backlight status updates
fbdev: riva: Use backlight helper
fbdev: omapfb: panel-dsi-cm: Use backlight helper
fbdev: nvidia: Use backlight helper
fbdev: mx3fb: Use backlight helper
fbdev: radeon: Use backlight helper
fbdev: atyfb: Use backlight helper
fbdev: aty128fb: Use backlight helper
a #VC exception in SEV-ES guests at the wrong place in the NMI handling path
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Merge tag 'x86_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov:
- Prevent the compiler from reordering accesses to debug regs which
could cause a #VC exception in SEV-ES guests at the wrong place in
the NMI handling path
* tag 'x86_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Fix stack recursion caused by wrongly ordered DR7 accesses
- Fix a few objtool warnings since we recently enabled objtool.
- Fix a deadlock with the hash MMU vs perf record.
- Fix perf profiling of asynchronous interrupt handlers.
- Revert the IMC PMU nest_init_lock to being a mutex.
- Two commits fixing problems with the kexec_file FDT size estimation.
- Two commits fixing problems with strict RWX vs kernels running at non-zero.
- Reconnect tlb_flush() to hash__tlb_flush()
Thanks to: Kajol Jain, Nicholas Piggin, Sachin Sant Sathvika Vasireddy, Sourabh Jain.
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Merge tag 'powerpc-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"It's a bit of a big batch for rc6, but just because I didn't send any
fixes the last week or two while I was on vacation, next week should
be quieter:
- Fix a few objtool warnings since we recently enabled objtool.
- Fix a deadlock with the hash MMU vs perf record.
- Fix perf profiling of asynchronous interrupt handlers.
- Revert the IMC PMU nest_init_lock to being a mutex.
- Two commits fixing problems with the kexec_file FDT size
estimation.
- Two commits fixing problems with strict RWX vs kernels running at
non-zero.
- Reconnect tlb_flush() to hash__tlb_flush()
Thanks to Kajol Jain, Nicholas Piggin, Sachin Sant Sathvika Vasireddy,
and Sourabh Jain"
* tag 'powerpc-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Reconnect tlb_flush() to hash__tlb_flush()
powerpc/kexec_file: Count hot-pluggable memory in FDT estimate
powerpc/64s/radix: Fix RWX mapping with relocated kernel
powerpc/64s/radix: Fix crash with unaligned relocated kernel
powerpc/kexec_file: Fix division by zero in extra size estimation
powerpc/imc-pmu: Revert nest_init_lock to being a mutex
powerpc/64: Fix perf profiling asynchronous interrupt handlers
powerpc/64s: Fix local irq disable when PMIs are disabled
powerpc/kvm: Fix unannotated intra-function call warning
powerpc/85xx: Fix unannotated intra-function call warning
Drivers:
- efi: make WAKEUP services optional
- sunplus: fix format string warning
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Merge tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fixes from Alexandre Belloni:
"Here are a few fixes for 6.2. The EFI one is the most important as it
allows some RTCs to actually work. The other two are warnings that are
worth fixing.
- efi: make WAKEUP services optional
- sunplus: fix format string warning"
* tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: sunplus: fix format string for printing resource
dt-bindings: rtc: qcom-pm8xxx: allow 'wakeup-source' property
rtc: efi: Enable SET/GET WAKEUP services as optional
- Fix two bugs (for building and for signing) when CONFIG_MODULE_SIG_KEY
contains PKCS#11 URI.
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Merge tag 'kbuild-fixes-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix two bugs (for building and for signing) when MODULE_SIG_KEY
contains a PKCS#11 URI
* tag 'kbuild-fixes-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: modinst: Fix build error when CONFIG_MODULE_SIG_KEY is a PKCS#11 URI
certs: Fix build error when PKCS#11 URI contains semicolon
- Yet another fix for non-CPU accesses to the memory backing
the VGICv3 subsystem
- A set of fixes for the setlftest checking for the S1PTW
behaviour after the fix that went in ealier in the cycle
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM64:
- Yet another fix for non-CPU accesses to the memory backing the
VGICv3 subsystem
- A set of fixes for the setlftest checking for the S1PTW behaviour
after the fix that went in ealier in the cycle"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: selftests: aarch64: Test read-only PT memory regions
KVM: selftests: aarch64: Fix check of dirty log PT write
KVM: selftests: aarch64: Do not default to dirty PTE pages on all S1PTWs
KVM: selftests: aarch64: Relax userfaultfd read vs. write checks
KVM: arm64: Allow no running vcpu on saving vgic3 pending table
KVM: arm64: Allow no running vcpu on restoring vgic3 LPI pending status
KVM: arm64: Add helper vgic_write_guest_lock()
- Fix PTRACE_GETREGS/PTRACE_SETREGS for 32-bit userspace on 64-bit kernel
- pdc_iodc_print() dropped chars for newline in strings
- Drop constants in favour of PRIV_USER
- use safer strscpy() function in pdc_stable driver
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Merge tag 'parisc-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
- Fix PTRACE_GETREGS/PTRACE_SETREGS for 32-bit userspace on a 64-bit
kernel
- pdc_iodc_print() dropped chars for newline in strings
- Drop constants in favour of PRIV_USER
- use safer strscpy() function in pdc_stable driver
* tag 'parisc-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Wire up PTRACE_GETREGS/PTRACE_SETREGS for compat case
parisc: Replace hardcoded value with PRIV_USER constant in ptrace.c
parisc: Fix return code of pdc_iodc_print()
parisc: pdc_stable: use strscpy() to instead of strncpy()
The old mailing list for OpenRISC died due to some infrastructure issues
and the people in charge decided not to keep it running. We have
migrated this and the users over to kernel.org infrastructure.
Sending this out now to avoid kernel developers getting lots of bounced
mails for using the old list.
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC mailing list update from Stafford Horne:
"The old mailing list for OpenRISC died due to some infrastructure
issues and the people in charge decided not to keep it running. We
have migrated this and the users over to kernel.org infrastructure.
Sending this out now to avoid kernel developers getting lots of
bounced mails for using the old list"
* tag 'for-linus' of https://github.com/openrisc/linux:
MAINTAINERS: Update OpenRISC mailing list
- Yet another fix for non-CPU accesses to the memory backing
the VGICv3 subsystem
- A set of fixes for the setlftest checking for the S1PTW
behaviour after the fix that went in ealier in the cycle
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Merge tag 'kvmarm-fixes-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.2, take #3
- Yet another fix for non-CPU accesses to the memory backing
the VGICv3 subsystem
- A set of fixes for the setlftest checking for the S1PTW
behaviour after the fix that went in ealier in the cycle
If an SQ is deactivated and reactivated again, some packets could be
sent after MLX5E_SQ_STATE_ENABLED is cleared, but before
netif_tx_stop_queue, meaning that NAPI might miss some completions. In
order to handle them, make sure to trigger NAPI after SQ activation in
all cases where it can be relevant. Regular SQs, XDP SQs and XSK SQs are
good. Missing cases added: after recovery, after activating HTB SQs and
after activating PTP SQs.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add support to policy/state upper protocol selector field offload,
this will enable to select traffic for IPsec operation based on l4
protocol (TCP/UDP) with specific source/destination port.
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Provide more details to aid debugging.
Fixes: bf0bf77f65 ("mlx5: Support communicating arbitrary host page size to firmware")
Signed-off-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Majd Dibbiny <majd@nvidia.com>
Signed-off-by: Jack Morgenstein <jackm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When device is capable of handling scaled ppm values for adjusting
frequency, conversion to ppb will not be done by the driver. Instead, the
scaled ppm value will be passed directly to the device for the frequency
adjustment operation.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Some mlx5 devices are capable of disabling RoCE. In this situation,
disablement does not need to be handled at the driver level.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Update rst file to contain general information about statistics counters
for the mlx5 driver. Add specifics about individual counters in list
tables.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Tracepoints were previously implemented but not documented till this patch
series.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Provide information for Kconfig flags defined but not documented till this
patch series for the mlx5 driver.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The mlx5 device driver documentation page has grown in size and should be
split into multiple subpages. This change also contains a table of contents
for these new subpages.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
mpesw definitions should be in mpesw.h and not lag.h.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
It's redundant and incorrect to check lag is also sriov mode.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
There is no need to allocate the bool variable and can just return the value.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Use the existing wrapper mlx5_lag_dev() to access the lag object from
dev for better maintainability and consistent code.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Update the function to log an error to the user if failing to offload
the rule and while there add correct prefix for the function name.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
