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Add ice_pf_src_tmr_owned() macro to check the function capability bit
indicating if the current function owns the PTP hardware clock. This is
slightly shorter than the more verbose access via
hw.func_caps.ts_func_info.src_tmr_owned. Use this where possible rather
than open coding its equivalent.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Since commit 43c4958a3ddb ("ice: Merge pin initialization of E810 and E810T
adapters"), the ice_ptp_setup_pins_e810() function has been used for both
E810 and E810-T devices. The new implementation only distinguishes between
whether the device has SMA control or not. It was assumed this is always
true for E810-T devices. In addition, it does not set the n_per_out value
appropriately when SMA control is enabled.
In some cases, the E810-T device may not have access to SMA control. In
that case, the E810-T device actually has access to fewer pins than a
standard E810 device.
Fix the implementation to correctly assign the appropriate pin counts for
E810-T devices both with and without SMA control. The mentioned commit
already includes the appropriate macro values for these pin counts but they
were unused.
Instead of assigning the default E810 values and then overwriting them,
handle the cases separately in order of E810-T with SMA, E810-T without
SMA, and then standard E810. This flow makes following the logic easier.
Fixes: 43c4958a3ddb ("ice: Merge pin initialization of E810 and E810T adapters")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ICE_F_PTP_EXTTS feature flag is ostensibly intended to support checking
whether the device supports external timestamp pins. It is only checked in
E810-specific code flows, and is enabled for all E810-based devices. E822
and E823 flows unconditionally enable external timestamp support.
This makes the feature flag meaningless, as it is always enabled. Just
unconditionally enable support for external timestamp pins and remove this
unnecessary flag.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The callers of ice_fill_phy_msg_e822 check for whether the quad number is
within the expected range. Move this check inside the ice_fill_phy_msg_e822
function instead of duplicating it twice.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_fill_phy_msg_e822 function uses several macros to specify the
correct address when sending a sideband message to the PHY block in
hardware.
The names of these macros are fairly generic and confusing. Future
development is going to extend the driver to support new hardware families
which have different relationships between PHY and QUAD. Rename the macros
for clarity and to indicate that they are E822 specific. This also matches
closer to the hardware specification in the data sheet.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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E822 PHY TS registers should not be written and the only way to clean up
them is to reset QUAD memory.
To ensure that the status bit for the timestamp index is cleared, ensure
that ice_clear_phy_tstamp implementations first read the timestamp out.
Implementations which can write the register continue to do so.
Add a note to indicate this function should only be called on timestamps
which have their valid bit set. Update the dynamic debug messages to
reflect the actual action taken.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice driver has PTP support which works across a couple of different
device families. The device families each have different PHY hardware which
have unique requirements for programming.
Today, there is E810-based hardware, and E822-based hardware. To handle
this, the driver checks the ice_is_e810() function to separate between the
two existing families of hardware.
Future development is going to add new hardware designs which have further
unique requirements. To make this easier, introduce a phy_model field to
the HW structure. This field represents what PHY model the current device
has, and is used to allow distinguishing which logic a particular device
needs.
This will make supporting future upcoming hardware easier, by providing an
obvious place to initialize the PHY model, and by already using switch/case
statements instead of the previous if statements.
Astute reviewers may notice that there are a handful of remaining checks
for ice_is_e810() left in ice_ptp.c These conflict with some other
cleanup patches in development, and will be fixed in the near future.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The E822 hardware has cross timestamping support using a device feature
termed "Hammock Harbor" by the data sheet. This device feature is similar
to PCIe PTM, and captures the Always Running Timer (ART) simultaneously
with the PTP hardware clock time.
This functionality also exists on E823 devices, but is not currently
enabled.
Rename the cross-timestamp functions to use the _e82x postfix, indicating
that the support works across the E82x family of devices and not just the
E822 hardware.
The flow for capturing a cross-timestamp requires an additional step on
E823 devices. The GLTSYN_CMD register must be programmed with the READ_TIME
command. Otherwise, the cross timestamp will always report a value of zero
for the PTP hardware clock time.
To fix this, call ice_ptp_src_cmd() prior to initiating the cross timestamp
logic. Once the cross timestamp has completed, call ice_ptp_src_cmd() with
ICE_PTP_OP to ensure that the timer command registers are cleared.
Co-developed-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The hardware for performing a cross-timestamp on E822 uses a hardware
semaphore which we must acquire before initiating the cross-timestamp
operation.
The current implementation only attempts to acquire the semaphore once, and
assumes that it will succeed. If the semaphore is busy for any reason, the
cross-timestamp operation fails with -EFAULT.
Instead of immediately failing, try the acquire the lock a few times with a
small sleep between attempts. This ensures that most requests will go
through without issue.
Additionally, return -EBUSY instead of -EFAULT if the operation can't
continue due to the semaphore being busy.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice driver has an enumeration for the various commands that can be
programmed to the MAC and PHY for setting up hardware clock operations.
Prefix these with ICE_PTP so that they are clearly namespaced to the ice
driver.
Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Jisheng Zhang says:
====================
stmmac: convert to devm_stmmac_probe_config_dt
Russell pointed out there's a new devm_stmmac_probe_config_dt()
helper now when reviewing my starfive gmac error handling patch[1].
After greping the code, this nice helper was introduced by Bartosz in
[2], I think it's time to convert all dwmac users to this helper and
finally complete the TODO in [2] "but once all users of the old
stmmac_pltfr_remove() are converted to the devres helper, it will be
renamed back to stmmac_pltfr_remove() and the no_dt function removed."
Link: https://lore.kernel.org/netdev/ZOtWmedBsa6wQQ6+@shell.armlinux.org.uk/ [1]
Link: https://lore.kernel.org/all/20230623100417.93592-1-brgl@bgdev.pl/ [2]
Since v1:
- rebase on new net-next
- add make stmmac_{probe|remove}_config_dt static as suggested by Russell.
====================
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now there's no external users of these two functions, make them static
so that there aren't any new usages of stmmac_probe_config_dt().
To avoid forward declaration, move stmmac_remove_config_dt() location.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Suggested-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now, all users of the old stmmac_pltfr_remove() are converted to the
devres helper, it's time to rename stmmac_pltfr_remove_no_dt() back to
stmmac_pltfr_remove() and remove the old stmmac_pltfr_remove().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the devres variant of stmmac_pltfr_probe() and finally drop the
remove() hook.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rohan G Thomas says:
====================
net: stmmac: Tx coe sw fallback
DW xGMAC IP can be synthesized such that it can support tx checksum
offloading only for a few initial tx queues. Also as Serge pointed
out, for the DW QoS IP, tx coe can be individually configured for
each tx queue. This patchset adds support for tx coe sw fallback for
those queues that don't support tx coe. Also, add binding for
snps,coe-unsupported property.
changelog v7:
* Updated commit message.
* Add blank lines around newly added dt binding.
changelog v6:
* Reworked patchset to cover DW QoS Ethernet IP also.
changelog v5:
* As rightly suggested by Serge, reworked redundant code.
changelog v4:
* Replaced tx_q_coe_lmt with bit flag.
changelog v3:
* Resend with complete email list.
changelog v2:
* Reformed binding description.
* Minor grammatical corrections in comments and commit messages.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add sw fallback of tx checksum calculation for those tx queues that
don't support tx checksum offloading. DW xGMAC IP can be synthesized
such that it can support tx checksum offloading only for a few
initial tx queues. Also as Serge pointed out, for the DW QoS IP, tx
coe can be individually configured for each tx queue.
So when tx coe is enabled, for any tx queue that doesn't support
tx coe with 'coe-unsupported' flag set will have a sw fallback
happen in the driver for tx checksum calculation when any packets to
be transmitted on these tx queues.
Signed-off-by: Rohan G Thomas <rohan.g.thomas@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add dt-bindings for coe-unsupported property per tx queue. Some DWMAC
IPs support tx checksum offloading(coe) only for a few tx queues.
DW xGMAC IP can be synthesized such that it can support tx coe only
for a few initial tx queues. Also as Serge pointed out, for the DW
QoS IP tx coe can be individually configured for each tx queue. This
property is added to have sw fallback for checksum calculation if a
tx queue doesn't support tx coe.
Signed-off-by: Rohan G Thomas <rohan.g.thomas@intel.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct ceph_monmap.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Xiubo Li <xiubli@redhat.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: ceph-devel@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, the open-coded arithmetic causes a wraparound,
the protection that `struct_size()` adds against potential integer
overflows is defeated. Fix this by hardening call to `struct_size()`
with `size_add()`.
Fixes: 3f1071ec39f7 ("net: spider_net: Use struct_size() helper")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, the open-coded arithmetic causes a wraparound,
the protection that `struct_size()` adds against potential integer
overflows is defeated. Fix this by hardening call to `struct_size()`
with `size_add()`.
Fixes: e034c6d23bc4 ("tipc: Use struct_size() helper")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, the open-coded arithmetic causes a wraparound,
the protection that `struct_size()` adds against potential integer
overflows is defeated. Fix this by hardening call to `struct_size()`
with `size_add()`.
Fixes: b89fec54fd61 ("tls: rx: wrap decrypt params in a struct")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, the open-coded arithmetic causes a wraparound, the
protection that `struct_size()` adds against potential integer overflows
is defeated. Fix this by hardening call to `struct_size()` with `size_mul()`.
Fixes: 2285ec872d9d ("mlxsw: spectrum_acl_bloom_filter: use struct_size() in kzalloc()")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Mendes says:
====================
kselftest: rtnetlink: add additional command line options
Many other tests implement options like verbose, pause, and pause
on failure. These patches just add these options to rtnetlink.sh.
The same conventions are used as the tests that already have this
functionality: eg verbose is 0 or 1 but PAUSE is "yes" or "no".
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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'Pause' prompts the user to press Enter to continue running tests
once one test has finished. Pause on fail on prompts the user to press
enter only when a test fails.
Modifications to kci_test_addrlft() and kci_test_ipsec_offload()
ensure that whenever end_test is called, [$ret -ne 0] indicates
failure. This allows end_test to really easily implement pause on fail
functionality.
Signed-off-by: Daniel Mendes <dmendes@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Uses a run_cmd helper function similar to other selftests to add
verbose functionality i.e. print executed commands and their outputs
Many commands silence or redirect output. This can be removed since
the verbose helper function captures output anyway and only outputs it
if VERBOSE is true. Similarly, the helper command for pipes to grep
searches stderr and stdout. This makes output redirection unnecessary
in those cases.
Signed-off-by: Daniel Mendes <dmendes@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shannon Nelson says:
====================
pds_core: add PCI reset handling
Make sure pds_core can handle and recover from PCI function resets and
similar PCI bus issues: add detection and handlers for PCI problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we see a 0xff value from a PCI register read, we know that
the PCI connection is broken, possibly by a low level reset that
didn't go through the nice pci_error_handlers path.
Make use of the PCI cleanup code that we already have from the
reset handlers and add some detection and attempted recovery
from a broken PCI connection.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement the callbacks for a nice PCI reset. These get called
when a user is nice enough to use the sysfs PCI reset entry, e.g.
echo 1 > /sys/bus/pci/devices/0000:2b:00.0/reset
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keep the viftypes and the current enable/disable states
across a recovery action.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to what we do in the AdminQ, check for devcmd health
while waiting for an answer.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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