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On some platforms, e.g., the ZynqMP, devm_clk_get can return
-EPROBE_DEFER if the clock controller, which is implemented in firmware,
has not been probed yet.
As clk_init is only called during probe, use dev_err_probe to simplify
the error message and hide it for -EPROBE_DEFER.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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remove unneeded variable: "ret".
Signed-off-by: dingsenjie <dingsenjie@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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remove unneeded variable: "ret".
Signed-off-by: dingsenjie <dingsenjie@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extending the driver to support per-queue RX and TX coalesce settings in
order to support below commands:
To show per-queue coalesce setting:-
$ ethtool --per-queue <DEVNAME> queue_mask <MASK> --show-coalesce
To set per-queue coalesce setting:-
$ ethtool --per-queue <DEVNAME> queue_mask <MASK> --coalesce \
[rx-usecs N] [rx-frames M] [tx-usecs P] [tx-frames Q]
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mbox handler npc_install_flow returns ENOTSUPP for unsupported
flow keys. This patch modifies the return value to AF driver defined
error code for debugging purpose.
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A mcam rule described by mcam_rule struct has all the info
such as the hardware MCAM entry number, match criteria and
corresponding action etc. All mcam rules are stored in a
linked list mcam->rules. When adding/updating a rule to the
mcam->rules it is checked if a rule already exists for the
mcam entry. If the rule already exists, the same rule is
updated instead of creating new rule. This way only one
mcam_rule exists for the only one default unicast entry
installed by AF. But a PF/VF can get different NIXLF
(or default unicast entry number) after a attach-detach-attach
sequence. When that happens mcam_rules list end up with two
default unicast rules. Fix the problem by deleting the default
unicast rule list node always when disabling mcam rules.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use npc_install_flow mailbox API for installing the default promisc
and broadcast match entries. Earlier these entries were installed
using low level npc_config_mcam_entry API, which does not store these
rules and is not available when the rules are dumped using debugfs.
Added chan_mask field to npc_install_flow_req to calculate channel
mask when channel count is greater than 1 and configure the channel
mask in entry kw_mask.
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for multi channel NIX promisc entry. Packets sent
on all those channels by the host should be received by the interface to
which those channels belong. Channel count, if greater than 1, should be
power of 2 as only one promisc entry is available for the interface. Key
mask is modified such that incoming packets from channel base to channel
count are directed to the same pci function.
Signed-off-by: Nalla, Pradeep <pnalla@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch refactors npc_install_flow function to install AF
installed default MCAM entries similar to other MCAM entries
installed by PF/VF. As a result the code would be more readable
and easy to maintain. Modified npc_verify_entry and npc_verify_channel
to properly check MCAM rules installed by AF.
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently only one EtherType can be configured for pushing in tunnels
because EtherType is configured using SPVID.et_vlan for tunnel port.
This behavior is forbidden by comparing mlxsw_sp_nve_config struct for
each new tunnel, the struct contains 'ethertype' field which means that
only one EtherType is legal at any given time. Remove 'ethertype' field to
allow creating VxLAN devices with different bridges.
To allow using several types of VxLAN bridges at the same time, the
EtherType should be determined at the egress port. This behavior is
achieved by setting SPVID to decide which EtherType to push at egress and
for each local_port which is member in 802.1ad bridge, set SPEVET.et_vlan
to ether_type1 (i.e., 0x88A8).
Use switchdev_ops->init() to set different mlxsw_sp_bridge_ops for
different ASICs in order to be able to split the behavior when port joins /
leaves an 802.1ad bridge in different ASICs.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A subsequent patch will need to implement different set of operations
when a port joins / leaves an 802.1ad bridge, based on the ASIC type.
Prepare for this change by allowing to initialize the bridge module
based on the ASIC type via 'struct mlxsw_sp_switchdev_ops'.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A subsequent patch will cause decapsulated packets to have their EtherType
determined by the egress port. Add mlxsw_sp_port_egress_ethtype_set() which
will be called when a port joins an 802.1ad bridge, so that it will set an
802.1ad EtherType on decapsulated packets transmitted through it, instead
of the default 802.1q EtherType.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SPEVET configures which EtherType to push at egress for packets incoming
through a local port for which 'SPVID.egr_et_set' is set.
The next patches will use SPEVET to configure EtherType 0x88A8 and
0x8100 for local ports member in 802.1ad and 802.1q bridges,
respectively. This allows using dual VxLAN bridges (802.1d and 802.1ad at
the same time).
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SPVID.egr_et_set=1 means that when VLAN is pushed at ingress (for untagged
packets or for QinQ push mode) then the EtherType is decided at the egress
port.
The next patches will use this field for VxLAN devices (tunnel port) in
order to allow using dual VxLAN bridges (802.1d and 802.1ad at the same
time).
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to Synopsis DesignWare EQoS Databook, the Clock Domain Cross
synchronization error is introduced tue to the clock(GMII Tx/Rx clock)
being different at the capture as compared to the PTP
clock(clk_ptp_ref_i) that is used to generate the time.
The CDC synchronization error is almost equal to 2 times the clock
period of the PTP clock(clk_ptp_ref_i).
On a Intel Tigerlake platform (with Marvell 88E2110 external PHY):
Before applying this patch (with CDC synchronization error):
ptp4l[64.044]: rms 8 max 13 freq +30877 +/- 11 delay 216 +/- 0
ptp4l[65.047]: rms 13 max 20 freq +30869 +/- 17 delay 213 +/- 0
ptp4l[66.050]: rms 12 max 20 freq +30857 +/- 11 delay 213 +/- 0
ptp4l[67.052]: rms 11 max 22 freq +30849 +/- 10 delay 215 +/- 0
ptp4l[68.055]: rms 10 max 16 freq +30853 +/- 13 delay 215 +/- 0
ptp4l[69.057]: rms 7 max 13 freq +30848 +/- 9 delay 216 +/- 0
ptp4l[70.060]: rms 8 max 13 freq +30846 +/- 10 delay 216 +/- 0
ptp4l[71.063]: rms 9 max 15 freq +30836 +/- 8 delay 218 +/- 0
After applying this patch (CDC syncrhonization error is taken care of):
ptp4l[61.516]: rms 773 max 824 freq +31526 +/- 158 delay 200 +/- 0
ptp4l[62.519]: rms 427 max 596 freq +31668 +/- 39 delay 198 +/- 0
ptp4l[63.522]: rms 113 max 206 freq +31482 +/- 57 delay 198 +/- 0
ptp4l[64.525]: rms 40 max 56 freq +31316 +/- 29 delay 200 +/- 0
ptp4l[65.528]: rms 47 max 56 freq +31255 +/- 17 delay 200 +/- 0
ptp4l[66.531]: rms 26 max 36 freq +31246 +/- 9 delay 200 +/- 0
ptp4l[67.534]: rms 12 max 18 freq +31254 +/- 12 delay 202 +/- 0
ptp4l[68.537]: rms 7 max 12 freq +31263 +/- 10 delay 202 +/- 0
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the ionic driver to make use of ethtool_sprintf. In addition add
separate functions for Tx/Rx stats strings in order to reduce the total
amount of indenting needed in the driver code.
Acked-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the bnad_get_strings to make use of ethtool_sprintf and avoid
unnecessary line wrapping. To do this we invert the logic for the string
set test and instead exit immediately if we are not working with the stats
strings. In addition the function is broken up into subfunctions for each
area so that we can simply call ethtool_sprintf once for each string in a
given subsection.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace instances of snprintf or memcpy with a pointer update with
ethtool_sprintf.
Acked-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the hisilicon drivers to make use of ethtool_sprintf. The general
idea is to reduce code size and overhead by replacing the repeated pattern
of string printf statements and ETH_STRING_LEN counter increments.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The nfp_pr_et function is nearly identical to ethtool_sprintf except for
the fact that it passes the pointer by value and as a return whereas
ethtool_sprintf passes it as a pointer.
Since they are so close just update nfp to make use of ethtool_sprintf
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the Intel drivers to make use of ethtool_sprintf. The general idea
is to reduce code size and overhead by replacing the repeated pattern of
string printf statements and ETH_STRING_LEN counter increments.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2021-03-16
mlx5 uplink representor netdev persistence.
Before this patchset we used to have separate netdevs for Native NIC mode
and Switchdev mode (uplink representor netdev), meaning that if user
switches modes between Native to Switchdev and vice versa, the driver
would cleanup the current netdev representor and create a new one for the
new mode, such behavior created an administrative nightmare for users,
where users need to be aware of such loss of both data path and control
path configurations, e.g. netdev attributes and arp/route tables,
where the later is more painful.
A simple solution for this is not to replace the netdev in first place
and use a single netdev to serve the uplink/physical port whether it is
in switchdev mode or native mode.
We already have different HW profiles for each netdev mode, in this series
we just replace the HW profile on the fly and we keep the same netdev
attached.
Refactoring: Some refactoring has been made to overcome some technical
difficulties
1) The netdev is created with the maximum amount of tx/rx queues to serve
the two profiles.
2) Some ndos are not supported in some modes, so we added a mode check for
such cases, e.g legacy sriov ndos must be blocked in switchdev mode.
3) Some mlx5 netdev private attributes need to be moved out of profiles
and kept in a persistent place, where the netdev is created
e.g devlink port and other global HW resources
4) The netdev devlink port is now always registered with the switch id
Implementation: the last three patches implement the mechanism now as the
netdev can be shared.
5) Don't recreate the netdev on switchdev mode changes
6) Prevent changing switchdev mode when some netdev operations
are active, mostly when TC rules are being processed.
This is required since the netdev is kept registered while switchdev mode
can be changed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We re-use the native NIC port net device instance for the Uplink
representor, a driver currently cannot unbind TC setup callback
actively, hence protect changing E-Switch mode while adding rules.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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E-Switch mode change routine will take the write lock to prevent any
consumer to access the E-Switch resources while E-Switch is going
through a mode change.
In the next patch
E-Switch consumers (e.g vport representors) will take read_lock prior to
accessing E-Switch resources to prevent E-Switch mode changing in the
middle of the operation.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When switching modes between legacy and switchdev and back, do not
reload ethernet interfaces. just change the profile from nic profile
to uplink rep profile in switchdev mode.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When we clean all the interfaces, i.e. rescan or reload module,
we need to clean eth-reps devices first, before eth devices.
We will re-use the native NIC port net device instance for the Uplink
representor. Changing eswitch mode will skip destroying the eth device
so the net device won't be destroyed and only change the profile.
Creating uplink eth-rep will initialize the representor related resources.
In that sense when we destroy all devices we first need to destroy
eth-rep devices so uplink eth-rep will clean all representor related
resources and only then destroy the eth device which will destroy rest
of the resources and the net device.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We re-use the native NIC port net device instance for the Uplink
representor, and the devlink port.
When changing profiles we reset the mlx5e priv but we should still
use the devlink port so move it to mlx5e resources.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This is to separate between resources attributes and other
attributes we will want to use.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor. Since the netdev will be kept registered while we engage
switchdev mode also the devlink will be kept registered.
Register the nic devlink port with switch id so it will be available
when changing profiles.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor. As such we also don't want to unregister/register the
devlink port as part of the profile.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor. While changing profiles private resources are not
available but some ndos are not checking if the netdev is present.
So for those ndos check the netdev is present in the driver before
accessing the private resources.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Remove dedicated uplink rep netdev ndos and ethtools ops.
We will re-use the native NIC port net device instance and ethtool ops for
the Uplink representor.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor, hence same ndos must be used.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor, hence same ndos will be used.
Now we need to distinguish in the TC callback if the mode is legacy or
switchdev and set the proper flag.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We will re-use the native NIC port net device instance for the Uplink
representor. Several VF ndo ops are not relevant in switchdev mode.
Disallow them when eswitch mode is not legacy as a preparation.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In downstream patches NIC netdev can change profile dynamically from
NIC mode to uplink mode and vise-versa. It is required that both profiles
must advertise the same max amount of tx/rx queues.
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
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Now when extracting frames from CPU the cpuq is not used anymore so
remove it.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch extends MRP support for Ocelot. It allows to have multiple
rings and when the node has the MRC role it forwards MRP Test frames in
HW. For MRM there is no change.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new PGID that is used not to forward frames anywhere. It is used
by MRP to make sure that MRP Test frames will not reach CPU port.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
40GbE Intel Wired LAN Driver Updates 2021-03-16
This series contains updates to i40e, ixgbe, and ice drivers.
Magnus Karlsson says:
Optimize run_xdp_zc() for the XDP program verdict being XDP_REDIRECT
in the xsk zero-copy path. This path is only used when having AF_XDP
zero-copy on and in that case most packets will be directed to user
space. This provides around 100k extra packets in throughput on my
server when running l2fwd in xdpsock.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement support for action sample when used with a flower classifier
by implementing the required sampler_add() / sampler_del() callbacks and
registering an Rx listener for the sampled packets.
The sampler_add() callback returns an error for Spectrum-1 as the
functionality is not supported. In Spectrum-{2,3} the callback creates a
mirroring agent towards the CPU. The agent's identifier is used by the
policy engine code to mirror towards the CPU with probability.
The Rx listener for the sampled packet is registered with the 'policy
engine' mirroring reason and passes trapped packets to the psample
module after looking up their parameters (e.g., sampling group).
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add core functionality required to support mirror sampler action in the
policy engine. The switch driver (e.g., 'mlxsw_spectrum') is required to
implement the sampler_add() / sampler_del() callbacks that perform the
necessary configuration before the sampler action can be installed. The
next patch will implement it for Spectrum-{2,3}, while Spectrum-1 will
return an error, given it is not supported.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow user space to install a matchall classifier with sample action on
egress. This is only supported on Spectrum-2 onwards, so Spectrum-1 will
continue to return an error.
Programming the hardware to sample on egress is identical to ingress
sampling with the sole change of using a different sampling trigger.
Upon receiving a sampled packet, the sampling trigger (ingress vs.
egress) will be encoded in the mirroring reason in the Completion Queue
Element (CQE). The mirroring reason is used to lookup the sampling
parameters (e.g., psample group) which are passed to the psample module.
Note that locally generated packets that are sampled are simply
consumed. This is done for several reasons.
First, such packets do not have an ingress netdev given that their Rx
local port is the CPU port. This breaks several basic assumptions.
Second, sampling using the same interface (tc), but with flower
classifier will not result in locally generated packets being sampled
given that such packets are not subject to the policy engine.
Third, realistically, this is not a big deal given that the vast
majority of the packets being transmitted through the port are not
locally generated packets.
Fourth, if such packets do need to be sampled, they can be sampled with
a 'skip_hw' filter and reported to the same sampling group as the data
path packets. The software sampling rate can also be adjusted to fit the
rate of the locally generated packets which is much lower than the rate
of the data path traffic.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Start using the previously introduced sampling triggers hash table to
store sampling parameters instead of storing them as attributes of the
sampled port.
This makes it easier to introduce new sampling triggers.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, mlxsw supports a single sampling trigger type (i.e., received
packet). When sampling is configured on an ingress port, the sampling
parameters (e.g., pointer to the psample group) are stored as an
attribute of the port, so that they could be passed to
psample_sample_packet() when a sampled packet is trapped to the CPU.
Subsequent patches are going to add more types of sampling triggers,
making it difficult to maintain the current scheme.
Instead, store all the active sampling triggers with their associated
parameters in a hash table. That way, more trigger types can be easily
added.
The next patch will flip mlxsw to use the hash table instead of the
current scheme.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The entry will be required by the next patches, so pass it. No
functional changes intended.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Push some sampling checks to the per-ASIC operations, as they are no
longer relevant for all ASICs.
The sampling rate validation against the MPSC maximum rate is only
relevant for Spectrum-1, as Spectrum-2 and later ASICs no longer use
MPSC register for sampling.
The ingress / egress validation is pushed down to the per-ASIC
operations since subsequent patches are going to remove it for
Spectrum-2 and later ASICs.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to the differences between Spectrum-1 and later ASICs, some of the
checks currently performed at the common code (where extack is
available) will need to be pushed to the per-ASIC operations.
As a preparation, propagate extack further to maintain proper error
reporting.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Running kernel-doc over the dpaa2-eth driver generates a bunch of
warnings. Fix them up by removing code comments for macros which are
self-explanatory, respecting the kdoc format for macro documentation and
other small changes like describing the expected return values of
functions.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Multiple ABI function declarations are split unnecessarry on multiple
lines. Fix this so that we have a consistent coding style.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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