From: Lakshmi Sowjanya D
The goal of the PPS (Pulse Per Second) hardware/software is to generate a
signal from the system on a wire so that some third-party hardware can
observe that signal and judge how close the system's time is to another
system or piece of hardware.
Existing methods (like pa
From: Lakshmi Sowjanya D
Add base clock hardware abstraction in clocksource structure.
Add clocksource ID for x86 ART(Always Running Timer). The newly added
clocksource ID and conversion parameters are used to convert time in a
clocksource domain to base clock and vice versa.
Convert the base c
From: Thomas Gleixner
Remove convert_art_to_tsc() function call, Pass system clock cycles and
clocksource ID as input to get_device_system_crosststamp().
Signed-off-by: Thomas Gleixner
Signed-off-by: Lakshmi Sowjanya D
---
drivers/net/ethernet/intel/e1000e/ptp.c | 3 ++-
1 file changed, 2 ins
From: Thomas Gleixner
Remove convert_art_to_tsc() function call, Pass system clock cycles and
clocksource ID as input to get_device_system_crosststamp().
Signed-off-by: Thomas Gleixner
Signed-off-by: Lakshmi Sowjanya D
---
drivers/net/ethernet/intel/igc/igc_ptp.c | 6 +-
1 file changed, 5
From: Thomas Gleixner
Remove convert_art_to_tsc() function call, Pass system clock cycles and
clocksource ID as input to get_device_system_crosststamp().
Signed-off-by: Thomas Gleixner
Signed-off-by: Lakshmi Sowjanya D
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 3 ++-
1 file chan
From: Thomas Gleixner
Remove convert_art_to_tsc() function call, Pass system clock cycles and
clocksource ID as input to get_device_system_crosststamp().
Signed-off-by: Thomas Gleixner
Signed-off-by: Lakshmi Sowjanya D
---
sound/pci/hda/hda_controller.c | 3 ++-
1 file changed, 2 insertions(+
From: Thomas Gleixner
Remove convert_art_to_tsc() function call, Pass system clock cycles and
clocksource ID as input to get_device_system_crosststamp().
Signed-off-by: Thomas Gleixner
Signed-off-by: Lakshmi Sowjanya D
---
drivers/net/ethernet/intel/ice/ice_ptp.c | 3 ++-
1 file changed, 2 in
From: Lakshmi Sowjanya D
The convert_art_to_tsc() and convert_art_ns_to_tsc() interfaces are no
longer required. This conversion is internally done in
get_device_system_crosststamp() using convert_base_to_cs().
Signed-off-by: Lakshmi Sowjanya D
---
arch/x86/include/asm/tsc.h | 3 --
arch/x86/
From: Lakshmi Sowjanya D
PPS(Pulse Per Second) generates signals in realtime, but Timed IO
hardware understands time in base clock reference. Add an interface,
ktime_real_to_base_clock() to convert realtime to base clock.
Add the helper function timekeeping_clocksource_has_base(), to check
wheth
From: Lakshmi Sowjanya D
The Intel Timed IO PPS generator driver outputs a PPS signal using
dedicated hardware that is more accurate than software actuated PPS.
The Timed IO hardware generates output events using the ART timer.
The ART timer period varies based on platform type, but is less than
From: Lakshmi Sowjanya D
Add Intel Timed I/O PPS usage instructions.
Co-developed-by: Pandith N
Signed-off-by: Pandith N
Signed-off-by: Lakshmi Sowjanya D
Reviewed-by: Andy Shevchenko
Acked-by: Rodolfo Giometti
---
Documentation/driver-api/pps.rst | 22 ++
1 file change
From: Lakshmi Sowjanya D
Document sysfs interface for Intel Timed I/O PPS driver.
Signed-off-by: Lakshmi Sowjanya D
---
Documentation/ABI/testing/sysfs-platform-pps-tio | 7 +++
MAINTAINERS | 1 +
2 files changed, 8 insertions(+)
create mode 100644 Doc
From: Przemek Kitszel
Date: Tue, 9 Apr 2024 12:58:33 +0200
> On 4/8/24 11:09, Alexander Lobakin wrote:
>> From: Przemek Kitszel
>> Date: Fri, 5 Apr 2024 12:32:55 +0200
>>
>>> On 4/4/24 17:44, Alexander Lobakin wrote:
Add a couple intuitive helpers to hide Rx buffer implementation details
>>
Initially, during VF creation it registers the PTP clock in
the system and negotiates with PF it's capabilities. In the
meantime the PF enables the Flexible Descriptor for VF.
Only this type of descriptor allows to receive Rx timestamps.
Enabling virtual clock would be possible, though it would pr
From: Jacob Keller
Add support for allowing a VF to enable PTP feature - Rx timestamps
The new capability is gated by VIRTCHNL_VF_CAP_PTP, which must be
set by the VF to request access to the new operations. In addition, the
VIRTCHNL_OP_1588_PTP_CAPS command is used to determine the specific
cap
From: Jacob Keller
Support for allowing VF to negotiate the descriptor format requires that
the VF specify which descriptor format to use when requesting Rx queues.
The VF is supposed to request the set of supported formats via the new
VIRTCHNL_OP_GET_SUPPORTED_RXDIDS, and then set one of the sup
From: Simei Su
To support Rx timestamp offload, VIRTCHNL_OP_1588_PTP_CAPS is sent by
the VF to request PTP capability and responded by the PF what capability
is enabled for that VF.
Hardware captures timestamps which contain only 32 bits of nominal
nanoseconds, as opposed to the 64bit timestamps
From: Jacob Keller
Enable support for VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC, to enable the VF
driver the ability to determine what Rx descriptor formats are
available. This requires sending an additional message during
initialization and reset, the VIRTCHNL_OP_GET_SUPPORTED_RXDIDS. This
operation requ
From: Jacob Keller
Add the iavf_ptp.c file and fill it in with a skeleton framework to
allow registering the PTP clock device.
Add implementation of helper functions to check if a PTP capability
is supported and handle change in PTP capabilities.
Enabling virtual clock would be possible, though i
From: Jacob Keller
Add a new extended capabilities negotiation to exchange information from
the PF about what PTP capabilities are supported by this VF. This
requires sending a VIRTCHNL_OP_1588_PTP_GET_CAPS message, and waiting
for the response from the PF. Handle this early on during the VF
init
From: Jacob Keller
The Rx timestamps reported by hardware may only have 32 bits of storage
for nanosecond time. These timestamps cannot be directly reported to the
Linux stack, as it expects 64bits of time.
To handle this, the timestamps must be extended using an algorithm that
calculates the co
From: Jacob Keller
Implement support for reading the PHC time indirectly via the
VIRTCHNL_OP_1588_PTP_GET_TIME operation.
Based on some simple tests with ftrace, the latency of the indirect
clock access appears to be about ~110 microseconds. This is due to the
cost of preparing a message to send
Rx timestamping introduced in PF driver caused the need of refactoring
the VF driver mechanism to check packet fields.
The function to check errors in descriptor has been removed and from
now only previously set struct fields are being checked. The field DD
(descriptor done) needs to be checked at
From: Jacob Keller
Add handlers for the SIOCSHWTSTAMP and SIOCGHWTSTAMP ioctls which allow
userspace to request timestamp enablement for the device. This
support allows standard Linux applications to request the timestamping
desired.
As with other devices that support timestamping all packets, t
From: Jacob Keller
Using VIRTCHNL_VF_OFFLOAD_FLEX_DESC, the iAVF driver is capable of
negotiating to enable the advanced flexible descriptor layout. Add the
flexible NIC layout (RXDID=2) as a member of the Rx descriptor union.
Also add bit position definitions for the status and error indication
From: Jacob Keller
Add support for receive timestamps to the Rx hotpath. This support only
works when using the flexible descriptor format, so make sure that we
request this format by default if we have receive timestamp support
available in the PTP capabilities.
In order to report the timestamp
On 4/10/24 13:49, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Tue, 9 Apr 2024 12:58:33 +0200
On 4/8/24 11:09, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Fri, 5 Apr 2024 12:32:55 +0200
On 4/4/24 17:44, Alexander Lobakin wrote:
Add a couple intuitive helpers to hide Rx bu
From: Przemek Kitszel
Date: Wed, 10 Apr 2024 15:01:32 +0200
> On 4/10/24 13:49, Alexander Lobakin wrote:
>> From: Przemek Kitszel
>> Date: Tue, 9 Apr 2024 12:58:33 +0200
>>
>>> On 4/8/24 11:09, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Fri, 5 Apr 2024 12:32:55 +0200
>>
On 4/10/24 15:01, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Wed, 10 Apr 2024 15:01:32 +0200
On 4/10/24 13:49, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Tue, 9 Apr 2024 12:58:33 +0200
On 4/8/24 11:09, Alexander Lobakin wrote:
From: Przemek Kitszel
Date: Fri, 5 Apr 20
nfig gcc
arc allnoconfig gcc
arc allyesconfig gcc
arc defconfig gcc
arc randconfig-001-20240410 gcc
arc randconfig-002-20240410
From: Kees Cook
Date: Tue, 9 Apr 2024 09:17:53 -0700
> On Mon, Apr 08, 2024 at 11:45:32AM +0200, Alexander Lobakin wrote:
>> From: Alexander Lobakin
>> Date: Mon, 8 Apr 2024 11:11:12 +0200
>>
>>> From: Jakub Kicinski
>>> Date: Fri, 5 Apr 2024 21:25:13 -0700
>>>
On Thu, 4 Apr 2024 17:44:00
On Wed, Apr 10, 2024 at 05:18:28PM +0530, lakshmi.sowjany...@intel.com wrote:
> From: Lakshmi Sowjanya D
>
> Document sysfs interface for Intel Timed I/O PPS driver.
...
> +Date:March 2024
> +KernelVersion6.9
This boat is already sailed...
--
With Best Regards,
Andy S
arc allnoconfig gcc
arc allyesconfig gcc
arc defconfig gcc
arc randconfig-001-20240410 gcc
arc randconfig-002-20240410 gcc
arm
allnoconfig gcc
arc allyesconfig gcc
arc defconfig gcc
arc randconfig-001-20240410 gcc
arc randconfig-002-20240410 gcc
arm
On Wed, Apr 10 2024 at 17:18, lakshmi.sowjany...@intel.com wrote:
> From: Lakshmi Sowjanya D
>
> Add base clock hardware abstraction in clocksource structure.
>
> Add clocksource ID for x86 ART(Always Running Timer). The newly added
> clocksource ID and conversion parameters are used to convert ti
On Wed, Apr 10 2024 at 17:18, lakshmi.sowjany...@intel.com wrote:
> @@ -48,6 +49,7 @@ struct module;
> * @archdata:Optional arch-specific data
> * @max_cycles: Maximum safe cycle value which won't overflow on
> * multiplication
> + * @freq_khz:
On 4/10/2024 2:57 AM, Michal Swiatkowski wrote:
For now please Tony remove it from next-queue. I am trying
to figure out how to implement matching on all profiles using less
indexes. If I find the correct way I will submit new patch.
Patch has been dropped.
Thanks,
Tony
On Wed, Apr 10 2024 at 17:18, lakshmi.sowjany...@intel.com wrote:
> From: Thomas Gleixner
>
> Remove convert_art_to_tsc() function call, Pass system clock cycles and
> clocksource ID as input to get_device_system_crosststamp().
This is wrong as this does not pass anything as input. The function i
On 4/8/2024 4:07 AM, Karol Kolacinski wrote:
E825C products have a different PHY model than E822, E823 and E810 products.
This PHY is ETH56G and its support is necessary to have functional PTP stack
for E825C products.
Some of the latter patches in this series don't compile on 32bit.
Thanks,
T
On Wed, Apr 10 2024 at 17:18, lakshmi.sowjany...@intel.com wrote:
> From: Lakshmi Sowjanya D
>
> PPS(Pulse Per Second) generates signals in realtime, but Timed IO
... generates signals based on CLOCK_REALTIME, but ...
> hardware understands time in base clock reference.
The hardware does not un
On Wed, Apr 10 2024 at 17:18, lakshmi.sowjany...@intel.com wrote:
> +static bool pps_generate_next_pulse(struct pps_tio *tio, ktime_t expires)
> +{
> + u64 art;
> +
> + if (!ktime_real_to_base_clock(expires, CSID_X86_ART, &art)) {
> + pps_tio_disable(tio);
> + return
On Wed, Apr 10, 2024 at 02:10:52AM -0700, Nambiar, Amritha wrote:
> On 4/9/2024 9:39 PM, Joe Damato wrote:
> > Make i40e compatible with the newly added netlink queue GET APIs.
> >
> > $ ./cli.py --spec ../../../Documentation/netlink/specs/netdev.yaml \
> >--do queue-get --json '{"ifindex": 3,
On Wed, 10 Apr 2024 15:36:13 +0200 Alexander Lobakin wrote:
> Which tree this should go through? Should I include this patch to this
> series with libeth or it's better to push this through kees/linux and
> then pull to net-next?
I think doc tree is a strong candidate, or at least we should not
me
> -Original Message-
> From: Intel-wired-lan On Behalf Of
> Jacob Keller
> Sent: Friday, March 22, 2024 10:45 PM
> To: Intel Wired LAN
> Cc: Keller, Jacob E ; Nguyen, Anthony L
>
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 1/2] ice: set vf->num_msix in
> ice_initialize_vf_entry()
>
> -Original Message-
> From: Intel-wired-lan On Behalf Of
> Jacob Keller
> Sent: Friday, March 22, 2024 10:45 PM
> To: Intel Wired LAN
> Cc: Keller, Jacob E ; Nguyen, Anthony L
>
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 2/2] ice: store VF relative
> MSI-X
> index in q_vector->vf_
On 4/9/2024 9:39 PM, Joe Damato wrote:
Make i40e compatible with the newly added netlink queue GET APIs.
$ ./cli.py --spec ../../../Documentation/netlink/specs/netdev.yaml \
--do queue-get --json '{"ifindex": 3, "id": 1, "type": "rx"}'
{'id': 1, 'ifindex': 3, 'napi-id': 162, 'type': 'rx'}
$
On Fri, Apr 05, 2024 at 10:43:04AM +0200, Michal Swiatkowski wrote:
> On Mon, Apr 01, 2024 at 09:28:30AM +, Buvaneswaran, Sujai wrote:
> > > -Original Message-
> > > From: Michal Swiatkowski
> > > Sent: Friday, March 29, 2024 1:56 PM
> > > To: Buvaneswaran, Sujai
> > > Cc: intel-wired
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