net/sfc: support flow action count in transfer rules

For now, a rule may have only one dedicated counter, shared counters
are not supported.

HW delivers (or "streams") counter readings using specia

net/sfc: support flow action count in transfer rules

For now, a rule may have only one dedicated counter, shared counters
are not supported.

HW delivers (or "streams") counter readings using special packets.
The driver creates a dedicated Rx queue to receive such packets
and requests that HW start "streaming" the readings to it.

The counter queue is polled periodically, and the first available
service core is used for that. Hence, the user has to specify at least
one service core for counters to work. Such a core is shared by all
MAE-capable devices managed by sfc driver.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>

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net/sfc: prepare for internal Rx queue

Make software index of an Rx queue and ethdev index separate.
When an ethdev RxQ is accessed in ethdev callbacks, an explicit ethdev
queue index is used.

Sign

net/sfc: prepare for internal Rx queue

Make software index of an Rx queue and ethdev index separate.
When an ethdev RxQ is accessed in ethdev callbacks, an explicit ethdev
queue index is used.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>

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net/sfc: allow PPPoE flow pattern items

These items allow the user to avoid having to set the EtherType field in an
ETH item to match PPPoE traffic. Using a PPPoED (PPPoE discovery) or PPPoES
(PPPoE

net/sfc: allow PPPoE flow pattern items

These items allow the user to avoid having to set the EtherType field in an
ETH item to match PPPoE traffic. Using a PPPoED (PPPoE discovery) or PPPoES
(PPPoE session) item will lead to EtherType filter being set up with
a corresponding value. If an ETH item provides its own EtherType value,
it will be checked for correctness.

Matching on PPPoE fields is not supported.

Signed-off-by: Viacheslav Galaktionov <viacheslav.galaktionov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: change MAE rule actions parsing parameter

Current API signature makes it hard to add other entities that
belong to a flow specification. Pass the flow specification
so that additional membe

net/sfc: change MAE rule actions parsing parameter

Current API signature makes it hard to add other entities that
belong to a flow specification. Pass the flow specification
so that additional members can be accessed through the spec.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>

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net/sfc: update copyright year

Bump copyright year to 2021.

Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>

ethdev: make driver-only headers private

The rte_ethdev_driver.h, rte_ethdev_vdev.h and rte_ethdev_pci.h files are
for drivers only and should be a private to DPDK and not installed.

Signed-off-by:

ethdev: make driver-only headers private

The rte_ethdev_driver.h, rte_ethdev_vdev.h and rte_ethdev_pci.h files are
for drivers only and should be a private to DPDK and not installed.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Steven Webster <steven.webster@windriver.com>

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net/sfc: support encap flow items in transfer rules

Add support for flow items VXLAN, Geneve and NVGRE to
MAE-specific RTE flow implementation.

Having support for these items implies the ability to

net/sfc: support encap flow items in transfer rules

Add support for flow items VXLAN, Geneve and NVGRE to
MAE-specific RTE flow implementation.

Having support for these items implies the ability to insert
so-called outer MAE rules and refer to them in MAE action rules.
The patch takes care of all necessary facilities to do that.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add facilities to handle bundles of actions

There are MAE actions which do not have uniform counterparts
in terms of RTE flow. However, there are bundles of RTE flow
actions which can be co

net/sfc: add facilities to handle bundles of actions

There are MAE actions which do not have uniform counterparts
in terms of RTE flow. However, there are bundles of RTE flow
actions which can be considered as such counterparts.

Implement facilities to handle related RTE flow actions as
parts of a whole. These facilities will be used by a later
patch to add support for VLAN PUSH actions bundle.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: implement flow insert/remove in MAE backend

Exercise action set allocation / release and action rule
insertion / removal in order to let flow API callers
actually get created flows function

net/sfc: implement flow insert/remove in MAE backend

Exercise action set allocation / release and action rule
insertion / removal in order to let flow API callers
actually get created flows functioning.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add actions parsing stub to MAE backend

If parsing a flow results in an action set specification
identical to an already existing one, duplication will
be avoided by reusing the list entry

net/sfc: add actions parsing stub to MAE backend

If parsing a flow results in an action set specification
identical to an already existing one, duplication will
be avoided by reusing the list entry of the latter.
Using an attach helper and a reference counter
is meant to serve the said purpose.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add verify method to flow validate path

The new method is needed to make sure that a flow being
validated will have a chance to be accepted by the FW.
MAE-specific implementation of the met

net/sfc: add verify method to flow validate path

The new method is needed to make sure that a flow being
validated will have a chance to be accepted by the FW.
MAE-specific implementation of the method should
compare the class of a rule being validated with
the corresponding classes of active rules, and,
if no matches found, make a request to the FW.
Support for the latter will be added in future.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add pattern parsing stub to MAE backend

Add pattern parsing stub, define and implement flow cleanup method.
The latter is needed to free any dynamic structures allocated
during flow parsing

net/sfc: add pattern parsing stub to MAE backend

Add pattern parsing stub, define and implement flow cleanup method.
The latter is needed to free any dynamic structures allocated
during flow parsing.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add concept of MAE (transfer) rules

Define the corresponding specification structure and
make the code identify MAE rules by testing transfer
attribute presence. Also, add a priority level

net/sfc: add concept of MAE (transfer) rules

Define the corresponding specification structure and
make the code identify MAE rules by testing transfer
attribute presence. Also, add a priority level check.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: fix RSS hash offload if queue action is used

When RSS hash offload is requested, the ingress filters that forward
packets to an RX queue must have an RSS context assigned to them to
calcula

net/sfc: fix RSS hash offload if queue action is used

When RSS hash offload is requested, the ingress filters that forward
packets to an RX queue must have an RSS context assigned to them to
calculate RSS hash, which was not always provided.

Fix it by creating a dummy RSS context that forwards packets
to the same queue and assign it to created by flow API filters when
RSS hash offload is enabled. RSS key and hash functions from
default RSS context are used.

Fixes: 5d308972954c ("ethdev: add mbuf RSS update as an offload")
Cc: stable@dpdk.org

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: include header with debug helpers directly

Avoid build failures on further restructuring.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xi

net/sfc: include header with debug helpers directly

Avoid build failures on further restructuring.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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net/sfc: add Xilinx copyright

Xilinx acquired Solarflare in 2019.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: James Fox <jamesfox@xilinx.com>

net/sfc: set priority of created filters to manual

The priority should be explicitly set to manual for correct
usage of libefx filters.

Fixes: a9825ccf5bb8 ("net/sfc: support flow API filters")
Cc:

net/sfc: set priority of created filters to manual

The priority should be explicitly set to manual for correct
usage of libefx filters.

Fixes: a9825ccf5bb8 ("net/sfc: support flow API filters")
Cc: stable@dpdk.org

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: generalise flow pattern item processing

This is needed to reuse pattern processing engine for MAE.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <aryb

net/sfc: generalise flow pattern item processing

This is needed to reuse pattern processing engine for MAE.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: generalise flow start and stop path

As a preparation step, generalise flow start and stop path using
callbacks.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Ry

net/sfc: generalise flow start and stop path

As a preparation step, generalise flow start and stop path using
callbacks.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: generalise flow parsing

Generalise flow attribute parsing function in regard to transfer attribute.
Add a method table and factor out VNIC-specific parsing code as a callback.

Signed-off-b

net/sfc: generalise flow parsing

Generalise flow attribute parsing function in regard to transfer attribute.
Add a method table and factor out VNIC-specific parsing code as a callback.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: introduce flow allocation and free path

Riverhead boards maintain support for MAE, a low-level Match-Action Engine.
The upcoming patches will bring support for MAE to RTE flow implementatio

net/sfc: introduce flow allocation and free path

Riverhead boards maintain support for MAE, a low-level Match-Action Engine.
The upcoming patches will bring support for MAE to RTE flow implementation.

A follow-up patch will introduce MAE-specific specification cleanup method.
In order to prepare for the patch, introduce flow allocation and free path.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: generalise flow specification structure

Add the concept of a flow specification type.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarf

net/sfc: generalise flow specification structure

Add the concept of a flow specification type.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: make flow list engine-agnostic

A backend which a driver employs to handle flow rules of a given
type depends on the underlying NIC flow engine. The driver in
question in its current state i

net/sfc: make flow list engine-agnostic

A backend which a driver employs to handle flow rules of a given
type depends on the underlying NIC flow engine. The driver in
question in its current state is tailored to support the only
flow engine, VNIC filtering. As the need arises to add support
for transfer rules, the driver has to be reworked so that it
becomes possible to introduce yet another backend.

As a preparation step, make the flow list shared
between different engines.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: make flow RSS details VNIC-specific

The flow specification structure will be transformed to a generic one, and
its current contents will be fenced off to form a VNIC-specific parameters.
Fl

net/sfc: make flow RSS details VNIC-specific

The flow specification structure will be transformed to a generic one, and
its current contents will be fenced off to form a VNIC-specific parameters.
Flow RSS details do not belong to the said specification currently, albeit
being VNIC-specific. This patch addresses this issue as a preparation step.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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net/sfc: fix adapter lock usage on rule creation

The point is that adapter lock has to be held on
list accesses, as well as when talking to the HW.

Fixes: a9825ccf5bb8 ("net/sfc: support flow API f

net/sfc: fix adapter lock usage on rule creation

The point is that adapter lock has to be held on
list accesses, as well as when talking to the HW.

Fixes: a9825ccf5bb8 ("net/sfc: support flow API filters")
Cc: stable@dpdk.org

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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