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Andrew Lunn says:
====================
mv88e6xxx: Add devlink regions support
Make use of devlink regions to allow read access to some of the
internal of the switches. Currently access to global1, global2 and the
ATU is provided.
The switch itself will never trigger a region snapshot, it is assumed
it is performed from user space as needed.
v2:
Remove left of debug print
Comment ATU format is generic to mv88e6xxx
Combine declaration and the assignment on a single line.
v3:
Drop support for port regions
Improve the devlink API with a priv member and passing the region to
the snapshot function
Make the helper to convert from devlink to ds an inline function
v4:
Add missing kerneldoc in ICE driver
Fix typo for global2 reading global1 registers
Make use of enum to make code more readable
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return the driver name and the asic.id with the switch name.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the DSA drivers to implement the devlink call to get info info,
e.g. driver name, firmware version, ASIC ID, etc.
v2:
Combine declaration and the assignment on a single line.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the global registers, and the ATU to be snapshot via devlink
regions. It is later planned to add support for the port registers.
v2:
Remove left over debug prints
Comment ATU format is generic for mv88e6xxx, not wider
v3:
Make use of ops structure passed to snapshot function
Remove port regions
v4:
Make use of enum mv88e6xxx_region_id
Fix global2/global1 read typ0
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Refactor the code in mv88e6xxx_atu_new() which builds a bitmaps of
FIDs in use into a helper function. This will be reused by the devlink
code when dumping the ATU.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There will soon be more devlink code. Move the existing code into a
file of its own, before we start adding this new code.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow DSA drivers to make use of devlink regions, via simple wrappers.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Given a devlink instance, return the dsa switch it is associated to.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pass the region to be snapshotted to the function performing the
snapshot. This allows one function to operate on numerous regions.
v4:
Add missing kerneldoc for ICE
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver may have multiple regions which can be dumped using one
function. However, for this to work, additional information is
needed. Add a priv member to the ops structure for the driver to use
however it likes.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean says:
====================
Felix DSA driver cleanup: build Seville separately
When introducing the Seville switch support to the Felix driver, some
technical debt was created. Since both VSC9959 and VSC9953 are embedded
switches (one on an arm64 SoC and the other on a powerpc SoC), there is
no use case for having the code for both be present in the same module.
This was necessary at the time due to the common SERDES PCS code that
they were using, but that has been since refactored into
drivers/net/pcs/pcs-lynx.c.
This makes the Seville driver stop uselessly depending upon PCI and
FSL_ENETC_MDIO, which were only dependencies of Felix in fact.
Some whitespace/tab conversions are also present in this series as part
of the cleanup process.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Seville does not need to depend on PCI or on the ENETC MDIO controller.
There will also be other compile-time differences in the future.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not only does Sevile not have a PTP clock, but with separate modules,
this structure cannot even live in felix.c, due to the .owner =
THIS_MODULE assignment causing this link time error:
drivers/net/dsa/ocelot/felix.o:(.data+0x0): undefined reference to `__this_module'
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is a good measure to ensure correctness if the structures that are
meant to remain constant are only processed by functions that thake
constant arguments.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While we don't plan on making any changes to this function, currently
this is the only remaining dependency between felix and seville, after
the PCS has been refactored out into pcs-lynx.c.
Duplicate this function in seville to break the dependency completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Over the time, some patches have introduced structures aligned with
spaces, near structures aligned with tabs. Fix the inconsistencies.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reindent these definitions to be in line with the rest of the driver.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some definitions were likely copied from
drivers/net/mdio/mdio-mscc-miim.c.
They are not necessary, remove them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The overall idea (issue soft reset, enable memories, initialize
memories, enable core) is the same, so it would make sense that an
attempt is made to unify the procedures.
It is not immediately obvious that the fields are not part of the same
register targets, though. So add a comment.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As per documentation, proper startup sequence is:
* Enable memories
* Initialize memories
* Enable core
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is another one of these right above the readx_poll_status.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since these helpers for regmap fields are available, use them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yangbo Lu says:
====================
ptp_qoriq: support FIPER3
The FIPER3 (fixed interval period pulse generator) is supported on
DPAA2 and ENETC network controller hardware. This patch-set is to
support it in ptp_qoriq driver and dt-binding.
Changes for v2:
- Some improvement in code.
- Added ACK from Vladimir.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The FIPER3 (fixed interval period pulse generator) is supported on
DPAA2 and ENETC network controller hardware. This patch is to support
it in ptp_qoriq driver.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add fsl,tmr-fiper3 property definition which is supported only
on DPAA2 and ENETC network controller hardware.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alex Elder says:
====================
net: ipa: wake up system on RX available
This series arranges for the IPA driver to wake up a suspended
system if the IPA hardware has a packet to deliver to the AP.
Version 2 replaced the first patch from version 1 with three
patches, in response to David Miller's feedback. And based on
Bjorn Andersson's feedback on version 2, this version reworks
the tracking of IPA clock references. As a result, we no
longer need a flag to determine whether a "don't' suspend" clock
reference is held (though an bit in a bitmask is still used for
a different purpose).
In summary:
- A refcount_t is used to track IPA clock references where an
atomic_t was previously used. (This may go away soon as well,
with upcoming work to implement runtime PM.)
- We no longer track whether a special reference has been taken
to avoid suspending IPA.
- A bit in a bitmask is used to ensure we only trigger a system
resume once per system suspend.
And from the original series:
- Suspending endpoints only occurs when suspending the driver,
not when dropping the last clock reference. Resuming
endpoints is also disconnected from starting the clock.
- The IPA SUSPEND interrupt is now a wakeup interrupt. If it
fires, it schedules a system resume operation.
- The GSI interrupt is no longer a wakeup interrupt.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We now trigger a system resume when we receive an IPA SUSPEND
interrupt. We should *not* wake up on GSI interrupts.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we handle wakeup interrupts properly, arrange for the IPA
interrupt to be treated as a wakeup interrupt.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The previous patch causes a system resume to be triggered when a
packet is available for receipt on a suspended RX endpoint.
The CLOCK_HELD flag was previously used to indicate that an extra
clock reference was held, preventing suspend. But we no longer need
such a flag:
- We take an initial reference in ipa_config().
- That reference is held until ipa_suspend() releases it.
- A subsequent system resume leads to a reference getting
re-acquired in ipa_resume().
- This can repeat until ultimately the module is removed, where
ipa_remove() releases the reference.
We no longer need a special flag to determine whether this extra
reference is held--it is, provided probe has completed successfully
and the driver is not suspended (or removed).
On the other hand, once suspended, it's possible for more than one
endpoint to trip the IPA SUSPEND interrupt, and we only want to
trigger the system resume once. So repurpose the Boolean CLOCK_HELD
flag to record whether the IPA SUSPEND handler should initiate a
system resume.
The flag will be be cleared each time ipa_suspend() is called,
*before* any endpoints are suspended. And it will be set inside the
IPA SUSPEND interrupt handler exactly once per suspend.
Rename the flag IPA_FLAG_RESUMED to reflect its new purpose.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The call to wakeup_source_register() in ipa_probe() does not do what
it was intended to do. Call device_init_wakeup() in ipa_setup()
instead, to set the IPA device as wakeup-capable and to initially
enable wakeup capability.
When we receive a SUSPEND interrupt, call pm_wakeup_dev_event()
with a zero processing time, to simply call for a resume without
any other processing. The ipa_resume() call will take care of
waking things up again, and will handle receiving the packet.
Note that this gets rid of a clock reference counting bug that
occurred when handling an IPA SUSPEND interrupt. Specifically,
ipa_suspend_handler() took an IPA clock reference *in addition*
to the one taken by ipa_resume(). There is no need to back-port
this fix however, because it only affects code that was not
previously working (this patch is part of fixing that).
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, when (before) the last IPA clock reference is dropped,
all endpoints are suspended. And whenever the first IPA clock
reference is taken, all endpoints are resumed (or started).
In most cases there's no need to start endpoints when the clock
starts. So move the calls to ipa_endpoint_suspend() and
ipa_endpoint_resume() out of ipa_clock_put() and ipa_clock_get(),
respectiely. Instead, only suspend endpoints when handling a system
suspend, and only resume endpoints when handling a system resume.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We take a clock reference in ipa_config() in order to prevent the
the IPA clock from being shutdown until a power management suspend
request arrives. An atomic field in the IPA structure records
whether that extra reference had been taken.
Rather than using an atomic to represent a Boolean value, define
a new flags bitmap, and define a "clock held" flag to represent
whether the extra clock reference has been taken.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take advantage of the checking provided by refcount_t, rather than
using a plain atomic to represent the IPA clock reference count.
Note that we need to *set* the value to 1 in ipa_clock_get() rather
than incrementing it from 0 (because doing that is considered an
error for a refcount_t).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The internal Gigabit PHY on Broadcom STB chips has a digital clock which
drives its MDIO interface among other things, the driver now requests
and manage that clock during .probe() and .remove() accordingly.
Because the PHY driver can be probed with the clocks turned off we need
to apply the dummy BMSR workaround during the driver probe function to
ensure subsequent MDIO read or write towards the PHY will succeed.
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>
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If the header file containing a function's prototype isn't included by
the sourcefile containing the associated function, the build system
complains of missing prototypes.
Fixes the following W=1 kernel build warning(s):
net/tipc/udp_media.c:446:5: warning: no previous prototype for ‘tipc_udp_nl_dump_remoteip’ [-Wmissing-prototypes]
net/tipc/udp_media.c:532:5: warning: no previous prototype for ‘tipc_udp_nl_add_bearer_data’ [-Wmissing-prototypes]
net/tipc/udp_media.c:614:5: warning: no previous prototype for ‘tipc_udp_nl_bearer_add’ [-Wmissing-prototypes]
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is no used any more, so can remove it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the header file containing a function's prototype isn't included by
the sourcefile containing the associated function, the build system
complains of missing prototypes.
Fixes the following W=1 kernel build warning(s):
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c:453:6: warning: no previous prototype for ‘hclge_dcb_ops_set’ [-Wmissing-prototypes]
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the header file containing a function's prototype isn't included by
the sourcefile containing the associated function, the build system
complains of missing prototypes.
Fixes the following W=1 kernel build warning(s):
drivers/net/appletalk/cops.c:213:28: warning: no previous prototype for ‘cops_probe’ [-Wmissing-prototypes]
drivers/net/appletalk/ltpc.c:1014:28: warning: no previous prototype for ‘ltpc_probe’ [-Wmissing-prototypes]
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the header file containing a function's prototype isn't included by
the sourcefile containing the associated function, the build system
complains of missing prototypes.
Fixes the following W=1 kernel build warning(s):
drivers/net/ethernet/cavium/liquidio/cn68xx_device.c:124:5: warning: no previous prototype for ‘lio_setup_cn68xx_octeon_device’ [-Wmissing-prototypes]
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:159:1: warning: no previous prototype for ‘octeon_pci_read_core_mem’ [-Wmissing-prototypes]
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:168:1: warning: no previous prototype for ‘octeon_pci_write_core_mem’ [-Wmissing-prototypes]
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:176:5: warning: no previous prototype for ‘octeon_read_device_mem64’ [-Wmissing-prototypes]
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:185:5: warning: no previous prototype for ‘octeon_read_device_mem32’ [-Wmissing-prototypes]
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:194:6: warning: no previous prototype for ‘octeon_write_device_mem32’ [-Wmissing-prototypes]
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Historically L2TP core statistics count the L2TP header in the
per-session and per-tunnel byte counts tracked for transmission and
receipt.
Now that l2tp_xmit_skb updates tx stats, it is necessary for
l2tp_xmit_core to pass out the length of the transmitted packet so that
the statistics can be updated correctly.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make a distinction between different irqs by netdev name or pci name.
Signed-off-by: Luo bin <luobin9@huawei.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/cortina/gemini.c: In function gmac_get_ringparam:
drivers/net/ethernet/cortina/gemini.c:2125:21: warning: variable ‘config0’ set but not used [-Wunused-but-set-variable]
drivers/net/ethernet/cortina/gemini.c: In function gmac_init:
drivers/net/ethernet/cortina/gemini.c:512:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable]
these variable is never used, so remove it.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yangbo Lu says:
====================
dpaa2_eth: support 1588 one-step timestamping
This patch-set is to add MC APIs of 1588 one-step timestamping, and
support one-step timestamping for PTP Sync packet on DPAA2.
Before egress, one-step timestamping enablement needs,
- Enabling timestamp and FAS (Frame Annotation Status) in
dpni buffer layout.
- Write timestamp to frame annotation and set PTP bit in
FAS to mark as one-step timestamping event.
- Enabling one-step timestamping by dpni_set_single_step_cfg()
API, with offset provided to insert correction time on frame.
The offset must respect all MAC headers, VLAN tags and other
protocol headers accordingly. The correction field update can
consider delays up to one second. So PTP frame needs to be
filtered and parsed, and written timestamp into Sync frame
originTimestamp field.
The operation of API dpni_set_single_step_cfg() has to be done
when no one-step timestamping frames are in flight. So we have
to make sure the last one-step timestamping frame has already
been transmitted on hardware before starting to send the current
one. The resolution is,
- Utilize skb->cb[0] to mark timestamping request per packet.
If it is one-step timestamping PTP sync packet, queue to skb queue.
If not, transmit immediately.
- Schedule a work to transmit skbs in skb queue.
- mutex lock is used to ensure the last one-step timestamping packet
has already been transmitted on hardware through TX confirmation queue
before transmitting current packet.
Changes for v2:
- Removed unused variable priv in dpaa2_eth_xdp_create_fd().
Changes for v3:
- Fixed sparse warnings.
- Fix build issue on 32-bit.
- Converted to use ptp_parse_header.
Changes for v4:
- Used WARN_ONCE instead of netdev_err in data path.
- Enabled timestamping only when PTP driver is ready.
- Added comments in using onestep_tstamp_lock.
- Dropped dpmac.c sparse warning fix-up patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to add PTP sync packet one-step timestamping support.
Before egress, one-step timestamping enablement needs,
- Enabling timestamp and FAS (Frame Annotation Status) in
dpni buffer layout.
- Write timestamp to frame annotation and set PTP bit in
FAS to mark as one-step timestamping event.
- Enabling one-step timestamping by dpni_set_single_step_cfg()
API, with offset provided to insert correction time on frame.
The offset must respect all MAC headers, VLAN tags and other
protocol headers accordingly. The correction field update can
consider delays up to one second. So PTP frame needs to be
filtered and parsed, and written timestamp into Sync frame
originTimestamp field.
The operation of API dpni_set_single_step_cfg() has to be done
when no one-step timestamping frames are in flight. So we have
to make sure the last one-step timestamping frame has already
been transmitted on hardware before starting to send the current
one. The resolution is,
- Utilize skb->cb[0] to mark timestamping request per packet.
If it is one-step timestamping PTP sync packet, queue to skb queue.
If not, transmit immediately.
- Schedule a work to transmit skbs in skb queue.
- mutex lock is used to ensure the last one-step timestamping packet
has already been transmitted on hardware through TX confirmation queue
before transmitting current packet.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is a preparation for next hardware one-step timestamping
support. For DPAA2, the one step timestamping configuration on
hardware registers has to be done when there is no one-step timestamping
packet in flight. So we will have to use workqueue and skb queue
for such packets transmitting, to make sure waiting the last packet has
already been sent on hardware, and starting to transmit the current one.
So the tx timestamping flag in private data may not reflect the actual
request for the one-step timestamping packets of skb queue. This also
affects skb headroom allocation. Let's use skb->cb[0] to mark the
timestamping request for each skb.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Invoke dpaa2_eth_enable_tx_tstamp() once in code after building FD,
rather than calling it in dpaa2_eth_build_single_fd(),
dpaa2_eth_build_sg_fd_single_buf(), and dpaa2_eth_build_sg_fd().
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Define a global ptp_qoriq structure pointer, and export to use.
The ptp clock operations will be used in dpaa2-eth driver.
For example, supporting one step timestamping needs to write
current time to hardware frame annotation before sending and
then hardware inserts the delay time on frame during sending.
So in driver, at least clock gettime operation will be needed
to make sure right time is written to hardware frame annotation
for one step timestamping.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to add APIs of 1588 single step timestamping.
- dpni_set_single_step_cfg
- dpni_get_single_step_cfg
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the function ovs_ct_limit_exit, there is already a helper vaibale
which could be reused to improve the readability, so i fix it in this
patch.
Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Earlier commit 316cdaa1158a ("net: add option to not create fall-back
tunnels in root-ns as well") removed the CONFIG_SYSCTL to enable the
kernel-commandline to work. However, this variable gets defined only
when CONFIG_SYSCTL option is selected.
With this change the behavior would default to creating fall-back
tunnels in all namespaces when CONFIG_SYSCTL is not selected and
the kernel commandline option will be ignored.
Fixes: 316cdaa1158a ("net: add option to not create fall-back tunnels in root-ns as well")
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: David S. Miller <davem@davemloft.net>
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