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This patch adapts flow_ctrl function to prepare it for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the functionality of RX queue to dma channel mapping
based on configuration.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces the enabling of RX queues as DCB or as AVB based
on configuration.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds TX queues weight programming.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the RX and TX scheduling algorithms programming.
It introduces the multiple queues configuration function
(stmmac_mtl_configuration) in stmmac_main.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the multiple queues configuration in the Device Tree.
It was also created a set of structures to keep the RX and TX queues
configurations to be used in the driver.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The NVIDIA Tegra186 SoC contains an instance of the Synopsys DWC
ethernet QOS IP core. The binding that it uses is slightly different
from existing ones because of the integration (clocks, resets, ...).
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Split out the binding specific parts of ->probe() and ->remove() to
enable the driver to support variants of the binding. This is useful in
order to keep backwards-compatibility while making it easy for a sub-
driver to deal only with the updated bindings rather than having to add
compatibility quirks all over the place.
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Program the receive queue size based on the RX FIFO size and enable
hardware flow control for large FIFOs.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New version of this core encode the FIFO sizes in one of the feature
registers. Use these sizes as default, but still allow device tree to
override them for backwards compatibility.
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When DMA mapping an SKB fragment, the mapping must be checked for
errors, otherwise the DMA debug code will complain upon unmap.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clk_prepare_enable() and clk_disable_unprepare() for this clock aren't
properly balanced, which can trigger a WARN_ON() in the common clock
framework.
Reviewed-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an error occurs while opening the device, make sure to disable the
PTP reference clock.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an error occurs while opening the device, make sure that both the TX
timer and the PHY are properly cleaned up.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There aren't currently any users of the "clk_ptp_ref", but there are
other references to "ptp_ref", so I'm leaning towards considering that a
typo. Fix it.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When sending a L3 miss, the family is set to AF_INET even for IPv6. This
causes userland (eg "ip monitor") to be confused. Ensure we send the
appropriate family in this case. For L2 miss, keep using AF_INET.
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Optimize DMA in NUMA systems by allocating memory from NUMA node that NIC
is plugged in to; DMA will no longer cross NUMA nodes. If NIC IRQs are
pinned to a local CPU, that CPU's access to the DMA'd data is also
optimized.
Signed-off-by: VSR Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The code in netvsc_device_remove was incorrectly calling napi_disable
repeatedly on the same element. This would cause attempts
to remove netvsc module to hang.
Fixes: 2506b1dc4bbe ("netvsc: implement NAPI")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since rndis_halt_device waits until all outstanding sends and
receives are completed. Netvsc device needs to still schedule
NAPI to see those completions.
Fixes: 2506b1dc4bbe ("netvsc: implement NAPI")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Madalin Bucur says:
====================
QorIQ DPAA 1 updates
This patch set introduces a series of fixes and features to the DPAA 1
drivers. Besides activating hardware Rx checksum offloading, four traffic
classes are added for Tx traffic prioritisation.
changes from v1: added patch to enable context-A stashing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the abort mechanism is invoked it binds the first virtual router
(VR) to an LPM tree and inserts a default route to direct packets to the
CPU.
With VRFs, we can have router interfaces (RIFs) bound to multiple VRs,
so we need to make sure packets are trapped from all VRs and not just
the first one.
Upon abort invocation, bind all active VRs to the same LPM tree and
insert a default route in each.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up until now we implicitly associated all the router interfaces (RIFs)
with the first virtual router (VR). This must be changed in order to
enable VRF offload. Otherwise, a packet received via a VRF slave would
do a FIB lookup in the same table used by other VRFs.
Instead, bind the RIF to a VR according to the table where FIB lookup
should be performed for packets received via the RIF.
Currently, we only care about the MAIN and LOCAL tables (which we squash
together).
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A virtual router (VR) is an entity within the device to which routing
tables and interfaces can be bound to. It can be used to implement VRFs.
In the initial implementation we associated the VR with a specific
protocol (e.g., IPv4) and an LPM tree. However, this isn't really
accurate, as the same VR can be used for both IPv4 and IPv6 traffic, by
binding a different LPM tree to a {VR, Proto} pair.
This patch aims to restructure the VR code according to the above logic,
so that VRs are more accurately represented by the driver's data
structures. The main motivation behind this change is to prepare the
driver for VRF offload.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When looking for a new LPM tree we should always consider all the unused
trees. It doesn't matter if the new tree is required due to changes in
currently used prefixes inside an existing routing table or because a
route was inserted into an empty table.
Both cases are functionally identical and therefore should be treated
the same.
When looking for a new LPM tree, consider all unused trees and don't
reserve trees for specific cases.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The inetaddr notification block is currently implemented in the main
driver file, but this isn't really appropriate, as it mainly creates and
destroys router interfaces (RIFs) which belong with the rest of the
router code.
This will become even more apparent later on when we'll need to bind
these RIFs to virtual routers according to the VRF's table.
Structure the driver better and prevent unnecessary function exports by
moving the RIF related code with the rest of the router code.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow 'unreachable', 'blackhole' and 'prohibit' route types to be
programmed into the device by sending any packet hitting them to the
CPU.
This is needed so that users will be able to program a default route
into the VRF's table, thereby preventing lookup from leaking to other
tables.
Audit the code paths to make sure we don't rely on the presence of a
nexthop netdev, as it doesn't exist for above mentioned route types.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only use the RIF reference count to determine when the last IP
address was removed, but instead we can just test 'in_dev->ifa_list'.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a VLAN device is configured on top of a LAG device (f.e.,
bond0.10), a vPort is created on top of each of the LAG's slaves and its
'dev' pointer is set to the VLAN device.
This is in contrast to the implicit PVID vPort (representing 'bond0'),
whose 'dev' pointer keeps pointing to the port netdev itself (f.e.,
'sw1p1').
Make both cases consistent by setting their 'dev' pointer to the actual
netdev they represent. Either the LAG device itself (in the case of the
PVID vPort) or the VLAN device on top of it.
This will later allow us to more easily understand for which netdev we
should create the router interface (RIF) upon enslavement to a VRF
master.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an upper device is configured on top of a vPort we make sure it's a
bridge master during PRECHANGEUPPER and fail otherwise. Therefore, when
CHANGEUPPER is later received we don't bother checking the upper's type.
Make the code more extendable in preparation for VRF uppers, by checking
the upper's type.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We're going to allow bridges stacked on top of port netdevs to be
enslaved to a VRF, but for now, only VLAN uppers of the VLAN-aware
bridge are supported.
Sanitize any other bridge upper. This is consistent with the way we
sanitize port netdevs' uppers.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce MLXSW_AFK_ELEMENT_VID, PCP and declare them in afk_element
infos that contain them. Use the elements when VLAD ID or priority are
used in the flow.
Also add MLXSW_AFK_ELEMENT_VID, PCP to mlxsw_sp_acl_tcam_pattern_ipv4.
Both items are included in mlxsw_sp_afk_element_info_l2_dmac,
resp. _smac, and both MLXSW_AFK_ELEMENT_SMAC and _DMAC are already in
the pattern.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add VLAN action offloading. Invoke it from Spectrum flower handler for
"vlan modify" actions.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In original driver was implemented support for half-
and full-duplex modes, but it was not enabled. Instead
of it ks8851_rx_1msg method always returns "true" that
means "full-duplex" mode.
This patch replaces hard-coded functionality with
flexible solution that supports both SPI modes.
Signed-off-by: Sergey Shcherbakov <shchers@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many of the bond param variables are declared global while it's not
really necessary for these variables to be global. So moving them to
the location these are used.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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LACP state-machine defines "port-moved" state when the same ActorSystemID
and Port are seen in a LACPDU received on different port. The state is
never set since it's not implemented. However the state-machine attempts
to clear that state occasionally. LACP state machine is already complicated
and since this state is not implemented, removing it's checks makes the
state-machine little simpler.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eliminate hard-coded value and use the default that is set.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initializing work-queues every time ifup operation performed is unnecessary
and can be performed only once when the port is created.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to move the work-queue initialization to port creation
from current port_open phase. Work-queue initialization does not make
sense every time we do 'ifup/ifdown'. So moving to port creation phase.
Arp monitoring work depends on the bonding mode and that is not tied
to the port creation and can change anytime during the life after port
creation. So this restructuring allows us to move the initialization
at creation without losing the ability to arm the correct work for the
mode user has selected.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prevent theoretical buffer overrun by returning an error if
the number of entries returned by the firmware does not match those
present.
Also use a common handling error path.
Found by inspection.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only need FW version in the first cache line of adapter struct
because we need to know the metadata format. To save space add a
metadata format bit.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make use of return code from napi_complete_done() to avoid rearming
interrupts when busy polling is on.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We really only need the device pointer on the fast path, stash it at
the beginning of the adapter structure and move pci_dev pointer down.
This saves up a few lines of code.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reorder variables longest to shortest to comply with netdev coding style.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We already print most of ring configuration including descriptors
in debugfs, add the few missing pieces and remove debug prints.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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