We only support DSA_LOOP_NUM_PORTS in the switch, do not tell the DSA
core to allocate up to DSA_MAX_PORTS which is nearly the double (6 vs.
11).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
For now we simply store the port MTU into a per-port member.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for adding support for a mockup data path, move the
driver data structures to include/linux/dsa/loop.h such that we can
share them between net/dsa/ and drivers/net/dsa/ later on.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Allocate a 4K array of VLANs instead of limiting ourselves to just 5
which is arbitrary.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PVID should be per-port, this is a preliminary change to support a
802.1Q data path in the driver.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matching IPv6 traffic require allocating their own individual slots
in TCAM. So, fetch additional slots to insert IPv6 rules. Also, fetch
the cumulative stats of all the slots occupied by the Matchall rule.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current poll interval is enough to ensure that rising and falling
edge events are not lost for a 1 PPS signal with 50% duty cycle.
But when we deliver the events to user space, it will try to infer if
they were corresponding to a rising or to a falling edge (the kernel
driver doesn't know that either). User space will try to make that
inference based on the time at which the PPS master had emitted the
pulse (i.e. if it's a .0 time, it's rising edge, if it's .5 time, it's
falling edge).
But there is no in-kernel API for retrieving the precise timestamp
corresponding to a PPS master (aka perout) pulse. So user space has to
guess even that. It will read the PTP time on the PPS master right after
we've delivered the extts event, and declare that the PPS master time
was just the closest integer second, based on 2 thresholds (lower than
.25, or higher than .75, and ignore anything else).
Except that, if we poll for extts events (and our hardware doesn't
really help us, by not providing an interrupt), then there is a risk
that the poll period (and therefore the time at which the event is
delivered) might confuse user space.
Because we are always scheduling the next extts poll at
SJA1105_EXTTS_INTERVAL "from now" (that's the only thing that the
schedule_delayed_work() API gives us), it means that the start time of
the next delayed workqueue will always be shifted to the right a little
bit (shifted with the SPI access duration of this workqueue run).
In turn, because user space sees extts events that are non-periodic
compared to the PPS master's time, this means that it might start making
wrong guesses about rising/falling edge.
To understand the effect, here is the output of ts2phc currently. Notice
the 'src' timestamps of the 'SKIP extts' events, and how they have a
large wander. They keep increasing until the upper limit for the ignore
threshold (.75 seconds), after which the application starts ignoring the
_other_ edge.
ts2phc[26.624]: /dev/ptp3 SKIP extts index 0 at 21.449898912 src 21.657784518
ts2phc[27.133]: adding tstamp 21.949894240 to clock /dev/ptp3
ts2phc[27.133]: adding tstamp 22.000000000 to clock /dev/ptp1
ts2phc[27.133]: /dev/ptp3 offset 640 s2 freq +5112
ts2phc[27.636]: /dev/ptp3 SKIP extts index 0 at 22.449889360 src 22.669398022
ts2phc[28.140]: adding tstamp 22.949884376 to clock /dev/ptp3
ts2phc[28.140]: adding tstamp 23.000000000 to clock /dev/ptp1
ts2phc[28.140]: /dev/ptp3 offset 96 s2 freq +4760
ts2phc[28.644]: /dev/ptp3 SKIP extts index 0 at 23.449879504 src 23.677420422
ts2phc[29.153]: adding tstamp 23.949874704 to clock /dev/ptp3
ts2phc[29.153]: adding tstamp 24.000000000 to clock /dev/ptp1
ts2phc[29.153]: /dev/ptp3 offset -264 s2 freq +4429
ts2phc[29.656]: /dev/ptp3 SKIP extts index 0 at 24.449870008 src 24.689407238
ts2phc[30.160]: adding tstamp 24.949865376 to clock /dev/ptp3
ts2phc[30.160]: adding tstamp 25.000000000 to clock /dev/ptp1
ts2phc[30.160]: /dev/ptp3 offset -280 s2 freq +4334
ts2phc[30.664]: /dev/ptp3 SKIP extts index 0 at 25.449860760 src 25.697449926
ts2phc[31.168]: adding tstamp 25.949856176 to clock /dev/ptp3
ts2phc[31.168]: adding tstamp 26.000000000 to clock /dev/ptp1
ts2phc[31.168]: /dev/ptp3 offset -176 s2 freq +4354
ts2phc[31.672]: /dev/ptp3 SKIP extts index 0 at 26.449851584 src 26.705433606
ts2phc[32.180]: adding tstamp 26.949846992 to clock /dev/ptp3
ts2phc[32.180]: adding tstamp 27.000000000 to clock /dev/ptp1
ts2phc[32.180]: /dev/ptp3 offset -80 s2 freq +4397
ts2phc[32.684]: /dev/ptp3 SKIP extts index 0 at 27.449842384 src 27.717415110
ts2phc[33.192]: adding tstamp 27.949837768 to clock /dev/ptp3
ts2phc[33.192]: adding tstamp 28.000000000 to clock /dev/ptp1
ts2phc[33.192]: /dev/ptp3 offset 0 s2 freq +4453
ts2phc[33.696]: /dev/ptp3 SKIP extts index 0 at 28.449833128 src 28.729412902
ts2phc[34.200]: adding tstamp 28.949828472 to clock /dev/ptp3
ts2phc[34.200]: adding tstamp 29.000000000 to clock /dev/ptp1
ts2phc[34.200]: /dev/ptp3 offset 8 s2 freq +4461
ts2phc[34.704]: /dev/ptp3 SKIP extts index 0 at 29.449823816 src 29.737416038
ts2phc[35.208]: adding tstamp 29.949819152 to clock /dev/ptp3
ts2phc[35.208]: adding tstamp 30.000000000 to clock /dev/ptp1
ts2phc[35.208]: /dev/ptp3 offset -8 s2 freq +4447
ts2phc[35.712]: /dev/ptp3 SKIP extts index 0 at 30.449814496 src 30.745554982
ts2phc[36.216]: adding tstamp 30.949809840 to clock /dev/ptp3
ts2phc[36.216]: adding tstamp 31.000000000 to clock /dev/ptp1
ts2phc[36.216]: /dev/ptp3 offset -8 s2 freq +4445
ts2phc[36.468]: /dev/ptp3 SKIP extts index 0 at 31.449805184 src 31.501109446
ts2phc[36.972]: adding tstamp 31.949800536 to clock /dev/ptp3
ts2phc[36.972]: adding tstamp 32.000000000 to clock /dev/ptp1
ts2phc[36.972]: /dev/ptp3 offset -8 s2 freq +4442
ts2phc[37.480]: /dev/ptp3 SKIP extts index 0 at 32.449795896 src 32.513320070
ts2phc[37.984]: adding tstamp 32.949791248 to clock /dev/ptp3
ts2phc[37.984]: adding tstamp 33.000000000 to clock /dev/ptp1
ts2phc[37.984]: /dev/ptp3 offset 0 s2 freq +4448
Fix that by taking the following measures:
- Schedule the poll from a timer. Because we are really scheduling the
timer periodically, the extts events delivered to user space are
periodic too, and don't suffer from the "shift-to-the-right" effect.
- Increase the poll period to 6 times a second. This imposes a smaller
upper bound to the shift that can occur to the delivery time of extts
events, and makes user space (ts2phc) to always interpret correctly
which events should be skipped and which shouldn't.
- Move the SPI readout itself to the main PTP kernel thread, instead of
the generic workqueue. This is because the timer runs in atomic
context, but is also better than before, because if needed, we can
chrt & taskset this kernel thread, to ensure it gets enough priority
under load.
After this patch, one can notice that the wander is greatly reduced, and
that the latencies of one extts poll are not propagated to the next. The
'src' timestamp that is skipped is never larger than .65 seconds (which
means .15 seconds larger than the time at which the real event occurred
at, and .10 seconds smaller than the .75 upper threshold for ignoring
the falling edge):
ts2phc[40.076]: adding tstamp 34.949261296 to clock /dev/ptp3
ts2phc[40.076]: adding tstamp 35.000000000 to clock /dev/ptp1
ts2phc[40.076]: /dev/ptp3 offset 48 s2 freq +4631
ts2phc[40.568]: /dev/ptp3 SKIP extts index 0 at 35.449256496 src 35.595791078
ts2phc[41.064]: adding tstamp 35.949251744 to clock /dev/ptp3
ts2phc[41.064]: adding tstamp 36.000000000 to clock /dev/ptp1
ts2phc[41.064]: /dev/ptp3 offset -224 s2 freq +4374
ts2phc[41.552]: /dev/ptp3 SKIP extts index 0 at 36.449247088 src 36.579825574
ts2phc[42.044]: adding tstamp 36.949242456 to clock /dev/ptp3
ts2phc[42.044]: adding tstamp 37.000000000 to clock /dev/ptp1
ts2phc[42.044]: /dev/ptp3 offset -240 s2 freq +4290
ts2phc[42.536]: /dev/ptp3 SKIP extts index 0 at 37.449237848 src 37.563828774
ts2phc[43.028]: adding tstamp 37.949233264 to clock /dev/ptp3
ts2phc[43.028]: adding tstamp 38.000000000 to clock /dev/ptp1
ts2phc[43.028]: /dev/ptp3 offset -144 s2 freq +4314
ts2phc[43.520]: /dev/ptp3 SKIP extts index 0 at 38.449228656 src 38.547823238
ts2phc[44.012]: adding tstamp 38.949224048 to clock /dev/ptp3
ts2phc[44.012]: adding tstamp 39.000000000 to clock /dev/ptp1
ts2phc[44.012]: /dev/ptp3 offset -80 s2 freq +4335
ts2phc[44.508]: /dev/ptp3 SKIP extts index 0 at 39.449219432 src 39.535846118
ts2phc[44.996]: adding tstamp 39.949214816 to clock /dev/ptp3
ts2phc[44.996]: adding tstamp 40.000000000 to clock /dev/ptp1
ts2phc[44.996]: /dev/ptp3 offset -32 s2 freq +4359
ts2phc[45.488]: /dev/ptp3 SKIP extts index 0 at 40.449210192 src 40.515824678
ts2phc[45.980]: adding tstamp 40.949205568 to clock /dev/ptp3
ts2phc[45.980]: adding tstamp 41.000000000 to clock /dev/ptp1
ts2phc[45.980]: /dev/ptp3 offset 8 s2 freq +4390
ts2phc[46.636]: /dev/ptp3 SKIP extts index 0 at 41.449200928 src 41.664176902
ts2phc[47.132]: adding tstamp 41.949196288 to clock /dev/ptp3
ts2phc[47.132]: adding tstamp 42.000000000 to clock /dev/ptp1
ts2phc[47.132]: /dev/ptp3 offset 0 s2 freq +4384
ts2phc[47.620]: /dev/ptp3 SKIP extts index 0 at 42.449191656 src 42.648117190
ts2phc[48.112]: adding tstamp 42.949187016 to clock /dev/ptp3
ts2phc[48.112]: adding tstamp 43.000000000 to clock /dev/ptp1
ts2phc[48.112]: /dev/ptp3 offset 0 s2 freq +4384
ts2phc[48.604]: /dev/ptp3 SKIP extts index 0 at 43.449182384 src 43.632112582
ts2phc[49.100]: adding tstamp 43.949177736 to clock /dev/ptp3
ts2phc[49.100]: adding tstamp 44.000000000 to clock /dev/ptp1
ts2phc[49.100]: /dev/ptp3 offset -8 s2 freq +4376
ts2phc[49.588]: /dev/ptp3 SKIP extts index 0 at 44.449173096 src 44.616136774
ts2phc[50.080]: adding tstamp 44.949168464 to clock /dev/ptp3
ts2phc[50.080]: adding tstamp 45.000000000 to clock /dev/ptp1
ts2phc[50.080]: /dev/ptp3 offset 8 s2 freq +4390
ts2phc[50.572]: /dev/ptp3 SKIP extts index 0 at 45.449163816 src 45.600134662
ts2phc[51.064]: adding tstamp 45.949159160 to clock /dev/ptp3
ts2phc[51.064]: adding tstamp 46.000000000 to clock /dev/ptp1
ts2phc[51.064]: /dev/ptp3 offset -8 s2 freq +4376
ts2phc[51.556]: /dev/ptp3 SKIP extts index 0 at 46.449154528 src 46.584588550
ts2phc[52.048]: adding tstamp 46.949149896 to clock /dev/ptp3
ts2phc[52.048]: adding tstamp 47.000000000 to clock /dev/ptp1
ts2phc[52.048]: /dev/ptp3 offset 0 s2 freq +4382
ts2phc[52.540]: /dev/ptp3 SKIP extts index 0 at 47.449145256 src 47.568132198
ts2phc[53.032]: adding tstamp 47.949140616 to clock /dev/ptp3
ts2phc[53.032]: adding tstamp 48.000000000 to clock /dev/ptp1
ts2phc[53.032]: /dev/ptp3 offset 0 s2 freq +4382
ts2phc[53.524]: /dev/ptp3 SKIP extts index 0 at 48.449135968 src 48.552121446
ts2phc[54.016]: adding tstamp 48.949131320 to clock /dev/ptp3
ts2phc[54.016]: adding tstamp 49.000000000 to clock /dev/ptp1
ts2phc[54.016]: /dev/ptp3 offset 0 s2 freq +4382
ts2phc[54.512]: /dev/ptp3 SKIP extts index 0 at 49.449126680 src 49.540147014
ts2phc[55.000]: adding tstamp 49.949122040 to clock /dev/ptp3
ts2phc[55.000]: adding tstamp 50.000000000 to clock /dev/ptp1
ts2phc[55.000]: /dev/ptp3 offset 0 s2 freq +4382
ts2phc[55.492]: /dev/ptp3 SKIP extts index 0 at 50.449117400 src 50.520119078
ts2phc[55.988]: adding tstamp 50.949112768 to clock /dev/ptp3
ts2phc[55.988]: adding tstamp 51.000000000 to clock /dev/ptp1
ts2phc[55.988]: /dev/ptp3 offset 8 s2 freq +4390
ts2phc[56.476]: /dev/ptp3 SKIP extts index 0 at 51.449108120 src 51.504175910
ts2phc[57.132]: adding tstamp 51.949103480 to clock /dev/ptp3
ts2phc[57.132]: adding tstamp 52.000000000 to clock /dev/ptp1
ts2phc[57.132]: /dev/ptp3 offset 0 s2 freq +4384
ts2phc[57.624]: /dev/ptp3 SKIP extts index 0 at 52.449098840 src 52.651833574
ts2phc[58.116]: adding tstamp 52.949094200 to clock /dev/ptp3
ts2phc[58.116]: adding tstamp 53.000000000 to clock /dev/ptp1
ts2phc[58.116]: /dev/ptp3 offset 8 s2 freq +4392
ts2phc[58.612]: /dev/ptp3 SKIP extts index 0 at 53.449089560 src 53.639826918
ts2phc[59.100]: adding tstamp 53.949084920 to clock /dev/ptp3
ts2phc[59.100]: adding tstamp 54.000000000 to clock /dev/ptp1
ts2phc[59.100]: /dev/ptp3 offset 8 s2 freq +4394
ts2phc[59.592]: /dev/ptp3 SKIP extts index 0 at 54.449080272 src 54.619842278
ts2phc[60.084]: adding tstamp 54.949075624 to clock /dev/ptp3
ts2phc[60.084]: adding tstamp 55.000000000 to clock /dev/ptp1
ts2phc[60.084]: /dev/ptp3 offset 8 s2 freq +4397
ts2phc[60.576]: /dev/ptp3 SKIP extts index 0 at 55.449070968 src 55.603885542
ts2phc[61.068]: adding tstamp 55.949066312 to clock /dev/ptp3
ts2phc[61.068]: adding tstamp 56.000000000 to clock /dev/ptp1
ts2phc[61.068]: /dev/ptp3 offset 0 s2 freq +4391
ts2phc[61.560]: /dev/ptp3 SKIP extts index 0 at 56.449061680 src 56.587885798
ts2phc[62.052]: adding tstamp 56.949057032 to clock /dev/ptp3
ts2phc[62.052]: adding tstamp 57.000000000 to clock /dev/ptp1
ts2phc[62.052]: /dev/ptp3 offset -8 s2 freq +4383
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case of memory pressure, mptcp_sendmsg() may call
sk_stream_wait_memory() after succesfully xmitting some
bytes. If the latter fails we currently return to the
user-space the error code, ignoring the succeful xmit.
Address the issue always checking for the xmitted bytes
before mptcp_sendmsg() completes.
Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Add support for buffer drop traps
Petr says:
A recent patch set added the ability to mirror buffer related drops
(e.g., early drops) through a netdev. This patch set adds the ability to
trap such packets to the local CPU for analysis.
The trapping towards the CPU is configured by using tc-trap action
instead of tc-mirred as was done when the packets were mirrored through
a netdev. A future patch set will also add the ability to sample the
dropped packets using tc-sample action.
The buffer related drop traps are added to devlink, which means that the
dropped packets can be reported to user space via the kernel's
drop_monitor module.
Patch set overview:
Patch #1 adds the early_drop trap to devlink
Patch #2 adds extack to a few devlink operations to facilitate better
error reporting to user space. This is necessary - among other things -
because the action of buffer drop traps cannot be changed in mlxsw
Patch #3 performs a small refactoring in mlxsw, patch #4 fixes a bug that
this patchset would trigger.
Patches #5-#6 add the infrastructure required to support different traps
/ trap groups in mlxsw per-ASIC. This is required because buffer drop
traps are not supported by Spectrum-1
Patch #7 extends mlxsw to register the early_drop trap
Patch #8 adds the offload logic for the "trap" action at a qevent block.
Patch #9 adds a mlxsw-specific selftest.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a selftest for RED early_drop and mark qevents when a trap action is
attached at the associated block.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When offloading action trap on a qevent, pass to_dev of NULL to the SPAN
module to trigger the mirror to the CPU port. Query the buffer drops
policer and use it for policing of the trapped traffic.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As previously explained, packets that are dropped due to buffer related
reasons (e.g., tail drop, early drop) can be mirrored to the CPU port.
These packets are then trapped with one of the "mirror session" traps
and their CQE includes the reason for which the packet was mirrored.
Register with devlink a new trap, early_drop, and initialize the
corresponding Rx listener with the appropriate mirror reason. Return an
error in case user tries to change the traps' action, as this is not
supported.
Since Spectrum-1 does not support these traps, the above is only done
for Spectrum-2 onwards.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Subsequent patches will need to register different traps for Spectrum-1
and Spectrum-2 onwards.
Enable that by invoking a per-ASIC operation during traps
initialization.
Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Subsequent patches will need to register different trap groups for
Spectrum-1 and Spectrum-2 onwards.
Enable that by invoking a per-ASIC operation during trap groups
initialization.
Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When unsetting policer base, the SPAN code currently uses refcount_dec().
However that function splats when the counter reaches zero, because
reaching zero without actually testing is in general indicative of a
missing cleanup. There is no cleanup to be done here, but nonetheless, use
refcount_dec_and_test() as required.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use 'size_t' instead of 'u64' for array sizes, as this this is correct
type to use for expressions involving sizeof().
Suggested-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A later patch will refuse to set the action of certain traps in mlxsw
and also to change the policer binding of certain groups. Pass extack so
that failure could be communicated clearly to user space.
Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the packet trap that can report packets that were ECN marked due to RED
AQM.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* ASUS WMI driver honors BAT1 name of the battery
(quite a few new laptops are using it)
* Dell WMI driver supports new key codes and backlight events
* ThinkPad ACPI driver now may use standard charge threshold interface,
it also has been updated to provide Laptop or Desktop mode to the user
* Intel Speed Select Technology gained support on Sapphire Rapids platform
* Regular update of Speed Select Technology tools
* Mellanox has been updated to support complex attributes
* PMC core driver has been fixed to show correct names for LPM0 register
* HTTP links were replaced by HTTPS ones where it applies
* Miscellaneous fixes and cleanups here and there
The following is an automated git shortlog grouped by driver:
acerhdf:
- Replace HTTP links with HTTPS ones
Add new intel_atomisp2_led driver:
- Add new intel_atomisp2_led driver
apple-gmux:
- Replace HTTP links with HTTPS ones
asus-nb-wmi:
- Drop duplicate DMI quirk structures
- add support for ASUS ROG Zephyrus G14 and G15
asus-wmi:
- allow BAT1 battery name
dell-wmi:
- add new dmi mapping for keycode 0xffff
- add new keymap type 0x0012
- add new backlight events
intel_cht_int33fe:
- Drop double check for ACPI companion device
intel-hid:
- Fix return value check in check_acpi_dev()
intel_pmc_core:
- fix bound check in pmc_core_mphy_pg_show()
- update TGL's LPM0 reg bit map name
intel-vbtn:
- Fix return value check in check_acpi_dev()
ISST:
- drop a duplicated word in isst_if.h
- Add new PCI device ids
pcengines-apuv2:
- revert wiring up simswitch GPIO as LED
platform/mellanox:
- Introduce string_upper() and string_lower() helpers
- Add string_upper() and string_lower() tests
- Extend FAN platform data description
- Add more definitions for system attributes
- Add new attribute for mlxreg-io sysfs interfaces
- Add presence register field for FAN devices
- Add support for complex attributes
- mlxreg-io: Add support for complex attributes
- mlxreg-hotplug: Add environmental data to uevent
- mlxreg-hotplug: Use capability register for attribute creation
- mlxreg-hotplug: Modify module license
system76-acpi:
- Fix brightness_set schedule while atomic
thinkpad_acpi:
- Make some symbols static
- add documentation for battery charge control
- use standard charge control attribute names
- remove unused defines
- Replace HTTP links with HTTPS ones
- not loading brightness_init when _BCL invalid
- lap or desk mode interface
- Revert "Use strndup_user() in dispatch_proc_write()"
tools/power/x86/intel-speed-select:
- Update version for v5.9
- Add retries for mail box commands
- Add option to delay mbox commands
- Ignore -o option processing on error
- Change path for caching topology info
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Merge tag 'platform-drivers-x86-v5.9-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- ASUS WMI driver honors BAT1 name of the battery (quite a few new
laptops are using it)
- Dell WMI driver supports new key codes and backlight events
- ThinkPad ACPI driver now may use standard charge threshold interface,
it also has been updated to provide Laptop or Desktop mode to the
user
- Intel Speed Select Technology gained support on Sapphire Rapids
platform
- Regular update of Speed Select Technology tools
- Mellanox has been updated to support complex attributes
- PMC core driver has been fixed to show correct names for LPM0
register
- HTTP links were replaced by HTTPS ones where it applies
- Miscellaneous fixes and cleanups here and there
* tag 'platform-drivers-x86-v5.9-1' of git://git.infradead.org/linux-platform-drivers-x86: (42 commits)
platform/x86: asus-nb-wmi: Drop duplicate DMI quirk structures
platform/x86: thinkpad_acpi: Make some symbols static
platform/x86: thinkpad_acpi: add documentation for battery charge control
platform/x86: thinkpad_acpi: use standard charge control attribute names
platform/x86: thinkpad_acpi: remove unused defines
platform/x86: ISST: drop a duplicated word in isst_if.h
tools/power/x86/intel-speed-select: Update version for v5.9
tools/power/x86/intel-speed-select: Add retries for mail box commands
tools/power/x86/intel-speed-select: Add option to delay mbox commands
tools/power/x86/intel-speed-select: Ignore -o option processing on error
tools/power/x86/intel-speed-select: Change path for caching topology info
platform/x86: acerhdf: Replace HTTP links with HTTPS ones
platform/x86: apple-gmux: Replace HTTP links with HTTPS ones
platform/x86: pcengines-apuv2: revert wiring up simswitch GPIO as LED
platform/x86: mlx-platform: Extend FAN platform data description
platform_data/mlxreg: Add presence register field for FAN devices
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform/mellanox: mlxreg-io: Add support for complex attributes
platform/x86: mlx-platform: Add more definitions for system attributes
platform_data/mlxreg: Add support for complex attributes
...
net/core/fib_rules.c:26:7: warning: "CONFIG_IP_MULTIPLE_TABLES" is not defined, evaluates to 0 [-Wundef]
#elif CONFIG_IP_MULTIPLE_TABLES
^~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: 8b66a6fd34 ("fib: fix another fib_rules_ops indirect call wrapper problem")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-By: Brian Vazquez <brianvv@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use mptcp_for_each_subflow in mptcp_stream_accept instead of
open-coding.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* handle new SAE (WPA3 authentication) status codes in the correct way
* fix a while that should be an if instead, avoiding infinite loops
* handle beacon filtering changing better
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Merge tag 'mac80211-next-for-davem-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A few more changes, notably:
* handle new SAE (WPA3 authentication) status codes in the correct way
* fix a while that should be an if instead, avoiding infinite loops
* handle beacon filtering changing better
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
With the latest net-next tree, if test suspend/resume after enabling
WOL, we get error as below:
[ 487.086365] dpm_run_callback(): mdio_bus_suspend+0x0/0x30 returns -16
[ 487.086375] PM: Device stmmac-0:00 failed to suspend: error -16
-16 means -EBUSY, this is because I didn't enable wakeup of the correct
device when implementing phy based WOL feature. To be honest, I caught
the issue when implementing phy based WOL and then fix it locally, but
forgot to amend the phy based wol patch. Today, I found the issue by
testing net-next tree.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Refactor the function seg6_lwt_headroom out of the seg6_iptunnel.h uapi
header, because it is only used in seg6_iptunnel.c. Moreover, it is only
used in the kernel code, as indicated by the "#ifdef __KERNEL__".
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Ioana-Ruxandra Stăncioi <stancioi@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For retransmitted packets, TCP needs to resort to using TCP timestamps
for computing RTT samples. In the common case where the data and ACK
fall in the same 1-millisecond interval, TCP senders with millisecond-
granularity TCP timestamps compute a ca_rtt_us of 0. This ca_rtt_us
of 0 propagates to rs->rtt_us.
This value of 0 can cause performance problems for congestion control
modules. For example, in BBR, the zero min_rtt sample can bring the
min_rtt and BDP estimate down to 0, reduce snd_cwnd and result in a
low throughput. It would be hard to mitigate this with filtering in
the congestion control module, because the proper floor to apply would
depend on the method of RTT sampling (using timestamp options or
internally-saved transmission timestamps).
This fix applies a floor of 1 for the RTT sample delta from TCP
timestamps, so that seq_rtt_us, ca_rtt_us, and rs->rtt_us will be at
least 1 * (USEC_PER_SEC / TCP_TS_HZ).
Note that the receiver RTT computation in tcp_rcv_rtt_measure() and
min_rtt computation in tcp_update_rtt_min() both already apply a floor
of 1 timestamp tick, so this commit makes the code more consistent in
avoiding this edge case of a value of 0.
Signed-off-by: Jianfeng Wang <jfwang@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Kevin Yang <yyd@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Print the PPIN field on CPUs that fill them out
- Fix an MCE injection bug
- Simplify a kzalloc in dev_mcelog_init_device()
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'ras-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Ingo Molnar:
"Boris is on vacation and he asked us to send you the pending RAS bits:
- Print the PPIN field on CPUs that fill them out
- Fix an MCE injection bug
- Simplify a kzalloc in dev_mcelog_init_device()"
* tag 'ras-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce, EDAC/mce_amd: Print PPIN in machine check records
x86/mce/dev-mcelog: Use struct_size() helper in kzalloc()
x86/mce/inject: Fix a wrong assignment of i_mce.status
to avoid recalibration.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-timers-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer update from Ingo Molnar:
"Set the X86_FEATURE_TSC_KNOWN_FREQ flag for Xen guests, to avoid
recalibration"
* tag 'x86-timers-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen/time: Set the X86_FEATURE_TSC_KNOWN_FREQ flag in xen_tsc_khz()
removal of the legacy EFI old_mmap code as well.
This removes quite a bunch of old code & quirks.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-platform-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"The biggest change is the removal of SGI UV1 support, which allowed
the removal of the legacy EFI old_mmap code as well.
This removes quite a bunch of old code & quirks"
* tag 'x86-platform-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Remove unused EFI_UV1_MEMMAP code
x86/platform/uv: Remove uv bios and efi code related to EFI_UV1_MEMMAP
x86/efi: Remove references to no-longer-used efi_have_uv1_memmap()
x86/efi: Delete SGI UV1 detection.
x86/platform/uv: Remove efi=old_map command line option
x86/platform/uv: Remove vestigial mention of UV1 platform from bios header
x86/platform/uv: Remove support for UV1 platform from uv
x86/platform/uv: Remove support for uv1 platform from uv_hub
x86/platform/uv: Remove support for UV1 platform from uv_bau
x86/platform/uv: Remove support for UV1 platform from uv_mmrs
x86/platform/uv: Remove support for UV1 platform from x2apic_uv_x
x86/platform/uv: Remove support for UV1 platform from uv_tlb
x86/platform/uv: Remove support for UV1 platform from uv_time
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mmm update from Ingo Molnar:
"The biggest change is to not sync the vmalloc and ioremap ranges for
x86-64 anymore"
* tag 'x86-mm-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/64: Make sync_global_pgds() static
x86/mm/64: Do not sync vmalloc/ioremap mappings
x86/mm: Pre-allocate P4D/PUD pages for vmalloc area
they happen outside the allowed set of MSRs, which is a single one for now,
MSR_IA32_ENERGY_PERF_BIAS.
The plan is to eventually disable MSR writes by default (they can still be
enabled via allow_writes=on).
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-misc-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MSR filtering from Ingo Molnar:
"Filter MSR writes from user-space by default, and print a syslog entry
if they happen outside the allowed set of MSRs, which is a single one
for now, MSR_IA32_ENERGY_PERF_BIAS.
The plan is to eventually disable MSR writes by default (they can
still be enabled via allow_writes=on)"
* tag 'x86-misc-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/msr: Filter MSR writes
- Prepare for Intel's new SERIALIZE instruction
- Enable split-lock debugging on more CPUs
- Add more Intel CPU models
- Optimize stack canary initialization a bit
- Simplify the Spectre logic a bit
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Ingo Molar:
- prepare for Intel's new SERIALIZE instruction
- enable split-lock debugging on more CPUs
- add more Intel CPU models
- optimize stack canary initialization a bit
- simplify the Spectre logic a bit
* tag 'x86-cpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Refactor sync_core() for readability
x86/cpu: Relocate sync_core() to sync_core.h
x86/cpufeatures: Add enumeration for SERIALIZE instruction
x86/split_lock: Enable the split lock feature on Sapphire Rapids and Alder Lake CPUs
x86/cpu: Add Lakefield, Alder Lake and Rocket Lake models to the to Intel CPU family
x86/stackprotector: Pre-initialize canary for secondary CPUs
x86/speculation: Merge one test in spectre_v2_user_select_mitigation()
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 debug fixlets from Ingo Molnar:
"Improve x86 debuggability: print registers with the same log level as
the backtrace"
* tag 'x86-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Show registers dump with trace's log level
x86/dumpstack: Add log_lvl to __show_regs()
x86/dumpstack: Add log_lvl to show_iret_regs()
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cleanups-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Misc cleanups all around the place"
* tag 'x86-cleanups-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioperm: Initialize pointer bitmap with NULL rather than 0
x86: uv: uv_hub.h: Delete duplicated word
x86: cmpxchg_32.h: Delete duplicated word
x86: bootparam.h: Delete duplicated word
x86/mm: Remove the unused mk_kernel_pgd() #define
x86/tsc: Remove unused "US_SCALE" and "NS_SCALE" leftover macros
x86/ioapic: Remove unused "IOAPIC_AUTO" define
x86/mm: Drop unused MAX_PHYSADDR_BITS
x86/msr: Move the F15h MSRs where they belong
x86/idt: Make idt_descr static
initrd: Remove erroneous comment
x86/mm/32: Fix -Wmissing prototypes warnings for init.c
cpu/speculation: Add prototype for cpu_show_srbds()
x86/mm: Fix -Wmissing-prototypes warnings for arch/x86/mm/init.c
x86/asm: Unify __ASSEMBLY__ blocks
x86/cpufeatures: Mark two free bits in word 3
x86/msr: Lift AMD family 0x15 power-specific MSRs
There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It appears that all, but request_irq(), calls in the driver are device managed.
In unlikely case of devm_gpiochip_add_data() failure the IRQ left requested.
Free IRQ on error path by switching to devm_request_threaded_irq() API.
Byproduct of this change is a drop of ->remove() callback completely.
Fixes: 945e72db36 ("gpio: crystalcove: Use irqchip template")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit 959bc7b22b ("gpio: Automatically add lockdep keys") documents
in its commits message its intention to "create a unique class key for
each driver".
It does so by having gpiochip_add_data add in-place the definition of
two static lockdep classes for LOCKDEP use. That way, every caller of
the macro adds their gpiochip with unique lockdep classes.
There are many indirect callers of gpiochip_add_data, however, via
use of devm_gpiochip_add_data. devm_gpiochip_add_data has external
linkage and all its users will share the same lockdep classes, which
probably is not intended.
Fix this by replicating the gpio_chip_add_data statics-in-macro for
the devm_ version as well.
Fixes: 959bc7b22b ("gpio: Automatically add lockdep keys")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200731123835.8003-1-a.fatoum@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Using is_broadcast_ether_addr() instead of directly use
memcmp() to determine if the ethernet address is broadcast
address.
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Huang Guobin <huangguobin4@huawei.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florinel Iordache says:
====================
DPAA FMan driver fixes
Here are several fixes for the DPAA FMan driver.
v2 changes:
* corrected patch 4 by removing the line added by mistake
* used longer fixes tags with the first 12 characters of the SHA-1 ID
v3 changes:
* remove the empty line inserted after fixes tag
====================
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix memory allocation for ethernet address hash table.
The code was wrongly allocating an array for eth hash table which
is incorrect because this is the main structure for eth hash table
(struct eth_hash_t) that contains inside a number of elements.
Fixes: 57ba4c9b56 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a safe check to avoid dereferencing null pointer
Fixes: 57ba4c9b56 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The parameter 'priority' is incorrectly forced to zero which ultimately
induces logically dead code in the subsequent lines.
Fixes: 57ba4c9b56 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Check before using returned value to avoid dereferencing null pointer.
Fixes: 18a6c85fcc ("fsl/fman: Add FMan Port Support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Potentially overflowing expression (ts_freq << 16 and intgr << 16)
declared as type u32 (32-bit unsigned) is evaluated using 32-bit
arithmetic and then used in a context that expects an expression of
type u64 (64-bit unsigned) which ultimately is used as 16-bit
unsigned by typecasting to u16. Fixed by using an unsigned 32-bit
integer since the value is truncated anyway in the end.
Fixes: 414fd46e77 ("fsl/fman: Add FMan support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add_nested() and
gpiochip_set_nested_irqchip(). The irqchip is instead
added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20200726221259.133536-1-linus.walleij@linaro.org
Make sure to register the GPIO chip after requesting the
interrupt and setting up the IRQ members of the irqchip.
Fixes: 9745079609 ("gpio: stmpe: Use irqchip template")
Reported-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200728072706.348725-1-linus.walleij@linaro.org
kernel and initrd images.
ZSTD has a very fast decompressor, yet it compresses better than gzip.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-boot-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
"The main change in this cycle was to add support for ZSTD-compressed
kernel and initrd images.
ZSTD has a very fast decompressor, yet it compresses better than gzip"
* tag 'x86-boot-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: dontdiff: Add zstd compressed files
.gitignore: Add ZSTD-compressed files
x86: Add support for ZSTD compressed kernel
x86: Bump ZO_z_extra_bytes margin for zstd
usr: Add support for zstd compressed initramfs
init: Add support for zstd compressed kernel
lib: Add zstd support to decompress
lib: Prepare zstd for preboot environment, improve performance
