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Add build and Kconfig support for the Qualcomm IPA driver.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch implements two forms of out-of-band communication between
the AP and modem.
- QMI is a mechanism that allows clients running on the AP
interact with services running on the modem (and vice-versa).
The AP IPA driver uses QMI to communicate with the corresponding
IPA driver resident on the modem, to agree on parameters used
with the IPA hardware and to ensure both sides are ready before
entering operational mode.
- SMP2P is a more primitive mechanism available for the modem and
AP to communicate with each other. It provides a means for either
the AP or modem to interrupt the other, and furthermore, to provide
32 bits worth of information. The IPA driver uses SMP2P to tell
the modem what the state of the IPA clock was in the event of a
crash. This allows the modem to safely access the IPA hardware
(or avoid doing so) when a crash occurs, for example, to access
information within the IPA hardware.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch includes code implementing the modem functionality.
There are several communication paths between the AP and modem,
separate from the main data path provided by IPA. SMP2P provides
primitive messaging and interrupt capability, and QMI allows more
complex out-of-band messaging to occur between entities on the AP
and modem. (SMP2P and QMI support are added by the next patch.)
Management of these (plus the network device implementing the data
path) is done by code within "ipa_modem.c".
Sort of unrelated, this patch also includes the code supporting the
microcontroller CPU present on the IPA. The microcontroller can be
used to implement special handling of packets, but at this time we
don't support that. Still, it is a component that needs to be
initialized, and in the event of a crash we need to do some
synchronization between the AP and the microcontroller.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One TX endpoint (per EE) is used for issuing immediate commands to
the IPA. These commands request activites beyond simple data
transfers to be done by the IPA hardware. For example, the IPA is
able to manage routing packets among endpoints, and immediate commands
are used to configure tables used for that routing.
Immediate commands are built on top of GSI transactions. They are
different from normal transfers (in that they use a special endpoint,
and their "payload" is interpreted differently), so separate functions
are used to issue immediate command transactions.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch contains code implementing filter and routing tables for
the IPA. A filter table allows rules to be used for filtering
packets that depart the AP at an endpoint. A filter table entry
contains the address of a set of rules to apply for each endpoint
that supports filtering.
A routing table allows packets to be routed to an endpoint based
on packet metadata. It is also a table whose entries each contain
the address of a set of routing rules to apply.
Neither filtering nor routing is supported by the current driver.
All table entries refer to rules that mean "no filtering" and "no
routing."
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch includes the code implementing an IPA endpoint. This is
the primary abstraction implemented by the IPA. An endpoint is one
end of a network connection between two entities physically
connected to the IPA. Specifically, the AP and the modem implement
endpoints, and an (AP endpoint, modem endpoint) pair implements the
transfer of network data in one direction between the AP and modem.
Endpoints are built on top of GSI channels, but IPA endpoints
represent the higher-level functionality that the IPA provides.
Data can be sent through a GSI channel, but it is the IPA endpoint
that represents what is on the "other end" to receive that data.
Other functionality, including aggregation, checksum offload and
(at some future date) IP routing and filtering are all associated
with the IPA endpoint.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch implements GSI transactions. A GSI transaction is a
structure that represents a single request (consisting of one or
more TREs) sent to the GSI hardware. The last TRE in a transaction
includes a flag requesting that the GSI interrupt the AP to notify
that it has completed.
TREs are executed and completed strictly in order. For this reason,
the completion of a single TRE implies that all previous TREs (in
particular all of those "earlier" in a transaction) have completed.
Whenever there is a need to send a request (a set of TREs) to the
IPA, a GSI transaction is allocated, specifying the number of TREs
that will be required. Details of the request (e.g. transfer offsets
and length) are represented by in a Linux scatterlist array that is
incorporated in the transaction structure.
Once all commands (TREs) are added to a transaction it is committed.
When the hardware signals that the request has completed, a callback
function allows for cleanup or followup activity to be performed
before the transaction is freed.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides interface functions supplied by the IPA layer
that are called from the GSI layer. One function is called when a
GSI transaction has completed. The others allow the GSI layer to
inform the IPA layer when the hardware has been told it has new TREs
to execute, and when the hardware has indicated transactions have
completed.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch includes "gsi.c", which implements the generic software
interface (GSI) for IPA. The generic software interface abstracts
channels, which provide a means of transferring data either from the
AP to the IPA, or from the IPA to the AP. A ring buffer of "transfer
elements" (TREs) is used to describe data transfers to perform. The
AP writes a doorbell register associated with a channel to let it know
it has added new entries (for an AP->IPA channel) or has finished
processing entries (for an IPA->AP channel).
Each channel also has an event ring buffer, used by the IPA to
communicate information about events related to a channel (for
example, the completion of TREs). The IPA writes its own doorbell
register, which triggers an interrupt on the AP, to signal that
new event information has arrived.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Generic Software Interface is a layer of the IPA driver that
abstracts the underlying hardware. The next patch includes the
main code for GSI (including some additional documentation). This
patch just includes three GSI header files.
- "gsi.h" is the top-level GSI header file. This structure is
is embedded within the IPA structure. The main abstraction
implemented by the GSI code is the channel, and this header
exposes several operations that can be performed on a GSI channel.
- "gsi_private.h" exposes some definitions that are intended to be
private, used only by the main GSI code and the GSI transaction
code (defined in an upcoming patch).
- Like "ipa_reg.h", "gsi_reg.h" defines the offsets of the 32-bit
registers used by the GSI layer, along with masks that define the
position and width of fields less than 32 bits located within
these registers.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch incorporates three source files (and their headers). They're
grouped into one patch mainly for the purpose of making the number and
size of patches in this series somewhat reasonable.
- "ipa_clock.c" and "ipa_clock.h" implement clocking for the IPA device.
The IPA has a single core clock managed by the common clock framework.
In addition, the IPA has three buses whose bandwidth is managed by the
Linux interconnect framework. At this time the core clock and all
three buses are either on or off; we don't yet do any more fine-grained
management than that. The core clock and interconnects are enabled
and disabled as a unit, using a unified clock-like abstraction,
ipa_clock_get()/ipa_clock_put().
- "ipa_interrupt.c" and "ipa_interrupt.h" implement IPA interrupts.
There are two hardware IRQs used by the IPA driver (the other is
the GSI interrupt, described in a separate patch). Several types
of interrupt are handled by the IPA IRQ handler; these are not part
of data/fast path.
- The IPA has a region of local memory that is accessible by the AP
(and modem). Within that region are areas with certain defined
purposes. "ipa_mem.c" and "ipa_mem.h" define those regions, and
implement their initialization.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch defines configuration data that is used to specify some
of the details of IPA hardware supported by the driver. It is built
as Device Tree match data, discovered at boot time. The driver
supports the Qualcomm SDM845 SoC. Data for the Qualcomm SC7180 is
also defined here, but it is not yet completely supported.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch includes three source files that represent some basic "main
program" code for the IPA driver. They are:
- "ipa.h" defines the top-level IPA structure which represents an IPA
device throughout the code.
- "ipa_main.c" contains the platform driver probe function, along with
some general code used during initialization.
- "ipa_reg.h" defines the offsets of the 32-bit registers used for the
IPA device, along with masks that define the position and width of
fields within these registers.
- "version.h" defines some symbolic IPA version numbers.
Each file includes some documentation that provides a little more
overview of how the code is organized and used.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set up a subdev in the q6v5 modem remoteproc driver that generates
event notifications for the IPA driver to use for initialization and
recovery following a modem shutdown or crash.
A pair of new functions provides a way for the IPA driver to register
and deregister a notification callback function that will be called
whenever modem events (about to boot, running, about to shut down,
etc.) occur. A void pointer value (provided by the IPA driver at
registration time) and an event type are supplied to the callback
function.
One event, MODEM_REMOVING, is signaled whenever the q6v5 driver is
about to remove the notification subdevice. It requires the IPA
driver de-register its callback.
This sub-device is only used by the modem subsystem (MSS) driver,
so the code that adds the new subdev and allows registration and
deregistration of the notifier is found in "qcom_q6v6_mss.c".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If there is no valid MAC address in the device tree, use a random
MAC address.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the initialization of the MAC to be performed even if the
device tree does not provide a valid MAC address. Later a random
MAC address should be assigned by the Ethernet driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reuse the set_mac_address() in the init() function.
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to other drivers, properly clear the devlink port type when
removing the device before unregistration.
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If firmware command returns error code as HWRM_ERR_CODE_BUSY, which
means it cannot handle the command due to a conflicting command
from another function, convert it to -EAGAIN. If it is an ethtool
operation, this error code will be returned to userspace.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return code is not needed in some of these functions, as the return
code from firmware message is ignored. Remove the unused rc variable
and also convert functions to void.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As part of converting error code in firmware message to standard
code, checking for firmware return code is removed in most of the
places. Remove the assignment of return code where the function
can directly return.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver stores a copy of the DCB settings that have been applied to
the firmware. After firmware reset, the firmware settings are gone and
will revert back to default. Clear the driver's copy so that if there
is a DCBNL request to get the settings, the driver will retrieve the
current settings from the firmware. lldpad keeps the DCB settings in
userspace and will re-apply the settings if it is running.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we are in continuous NAPI polling mode, the current code in
bnxt_poll_p5() will only process the completion rings and will not
process the NQ until interrupt is re-enabled. Tis logic works and
will not cause RX or TX starvation, but async events in the NQ may
be delayed for the duration of continuous NAPI polling. These
async events may be firmware or VF events.
Continue to handle the NQ after we are done polling the completion
rings. This actually simplies the code in bnxt_poll_p5().
Acknowledge the NQ so these async events will not overflow.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the function by removing tha 'all' parameter. In the current
code, the caller has to specify whether to update/arm both completion
rings with the 'all' parameter.
Instead of this, we can just update/arm all the completion rings
that have been polled. By setting cpr->had_work_done earlier in
__bnxt_poll_work(), we know which completion ring has been polled
and can just update/arm all the completion rings with
cpr->had_work_done set.
This simplifies the function with one less parameter and works just
as well.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In bnxt_poll_p5(), the logic polls for up to 2 completion rings (RX and
TX) for work. In the current code, if we reach budget polling the
first completion ring, we will stop. If the other completion ring
has work to do, we will handle it when NAPI calls us back.
This is not optimal. We potentially leave an unproceesed entry in
the NQ. When we are finally done with NAPI polling and re-enable
interrupt, the remaining entry in the NQ will cause interrupt to
be triggered immediately for no reason.
Modify the code in bnxt_poll_p5() to keep looping until all NQ
entries are handled even if the first completion ring has reached
budget.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The rmnet_vnd_setup(), which is the callback of ->ndo_start_xmit() is
allowed to call concurrently because it uses RCU protected data.
So, it doesn't need tx lock.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ACS (auto PAD/FCS stripping) removes FCS off 802.3 packets (LLC) so that
there is no need to manually strip it for such packets. The enhanced DMA
descriptors allow to flag LLC packets so that the receiving callback can
use that to strip FCS manually or not. On the other hand, normal
descriptors do not support that.
Thus in order to not truncate LLC packet ACS should be disabled when
using normal DMA descriptors.
Fixes: 47dd7a540b8a0 ("net: add support for STMicroelectronics Ethernet controllers.")
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the current code, udp_encap_enable() is called in
bareudp_socket_create().
But, setup_udp_tunnel_sock() internally calls udp_encap_enable().
So, udp_encap_enable() is unnecessary.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When bareudp netlink command fails, it doesn't print any error message.
So, users couldn't know the exact reason.
In order to tell the exact reason to the user, the extack error message
is used in this patch.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the current bareudp code, there is no module alias.
So, RTNL couldn't load bareudp module automatically.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding ipv6 support and ktls related statistics.
v1->v2:
- added blank lines at 2 places.
v3->v4:
- Replaced atomic_t with atomic64_t
- added few necessary stat counters.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch contains handling of first part or middle part of the record.
When we get a middle record, we will fetch few already sent bytes to
make packet start 16 byte aligned.
And if the packet has only the header part, we don't need to send it for
packet encryption, send that packet as a plaintext.
v1->v2:
- un-necessary updating left variable.
v3->v4:
- replaced kfree_skb with dev_kfree_skb_any.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TCP segment can chop a record in any order. Record can either be
complete or it can be partial (first part which contains header,
middle part which doesn't have header or TAG, and the end part
which contains TAG. This patch handles partial end part of a tx
record. In case of partial end part's, driver will send complete
record to HW, so that HW will calculate GHASH (TAG) of complete
packet.
Also added support to handle multiple records in a segment.
v1->v2:
- miner change in calling chcr_write_cpl_set_tcb_ulp.
- no need of checking return value of chcr_ktls_write_tcp_options.
v3->v4:
- replaced kfree_skb with dev_kfree_skb_any.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added tx handling in this patch. This includes handling of segments
contain single complete record.
v1->v2:
- chcr_write_cpl_set_tcb_ulp is added in this patch.
v3->v4:
- mss calculation logic.
- replaced kfree_skb with dev_kfree_skb_any.
- corrected error message reported by kbuild test robot <lkp@intel.com>
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As part of this patch generated and saved crypto keys, handled HW
response of act_open_req and set_tcb_req. Defined connection state
update.
v1->v2:
- optimized tcb update using control queue.
- state machine handling when earlier states received.
v2->v3:
- Added one empty line after function declaration.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A new macro is defined to enable ktls tx offload support on Chelsio
T6 adapter. And if this macro is enabled, cxgb4 will send mailbox to
enable or disable ktls settings on HW.
In chcr, enabled tx offload flag in netdev and registered tls_dev_add
and tls_dev_del.
v1->v2:
- mark tcb state to close in tls_dev_del.
- u_ctx is now picked from adapter structure.
- clear atid in case of failure.
- corrected ULP_CRYPTO_KTLS_INLINE value.
v2->v3:
- add empty line after variable declaration.
- local variable declaration in reverse christmas tree ordering.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a problem when ipvlan slaves are created on a master device that
is a vmxnet3 device (ipvlan in VMware guests). The vmxnet3 driver does not
support unicast address filtering. When an ipvlan device is brought up in
ipvlan_open(), the ipvlan driver calls dev_uc_add() to add the hardware
address of the vmxnet3 master device to the unicast address list of the
master device, phy_dev->uc. This inevitably leads to the vmxnet3 master
device being forced into promiscuous mode by __dev_set_rx_mode().
Promiscuous mode is switched on the master despite the fact that there is
still only one hardware address that the master device should use for
filtering in order for the ipvlan device to be able to receive packets.
The comment above struct net_device describes the uc_promisc member as a
"counter, that indicates, that promiscuous mode has been enabled due to
the need to listen to additional unicast addresses in a device that does
not implement ndo_set_rx_mode()". Moreover, the design of ipvlan
guarantees that only the hardware address of a master device,
phy_dev->dev_addr, will be used to transmit and receive all packets from
its ipvlan slaves. Thus, the unicast address list of the master device
should not be modified by ipvlan_open() and ipvlan_stop() in order to make
ipvlan a workable option on masters that do not support unicast address
filtering.
Fixes: 2ad7bf3638411 ("ipvlan: Initial check-in of the IPVLAN driver")
Reported-by: Per Sundstrom <per.sundstrom@redqube.se>
Signed-off-by: Jiri Wiesner <jwiesner@suse.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce new type for disabled HW stats and allow the value in
mlxsw offload.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set a flag in case rule counter was created. Only query the device for
stats of a rule, which has the valid counter assigned.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce new type for delayed HW stats and allow the value in
mlx5 offload.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce new type for immediate HW stats and allow the value in
mlxsw offload.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently don't allow actions with any other type to be inserted.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As there is one set of counters for the whole action chain, forbid to
mix the HW stats types.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce flow_action_basic_hw_stats_types_check() helper and use it
in drivers. That sanitizes the drivers which do not have support
for action HW stats types.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of directly checking number of action entries, use
flow_offload_has_one_action() helper.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"We've been accruing these for a couple of weeks, so the batch is a bit
bigger than usual.
Largest delta is due to a led-bl driver that is added -- there was a
miscommunication before the merge window and the driver didn't make it
in. Due to this, the platforms needing it regressed. At this point, it
seemed easier to add the new driver than unwind the changes.
Besides that, there are a handful of various fixes:
- AMD tee memory leak fix
- A handful of fixlets for i.MX SCU communication
- A few maintainers woke up and realized DEBUG_FS had been missing
for a while, so a few updates of that.
... and the usual collection of smaller fixes to various platforms"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (37 commits)
ARM: socfpga_defconfig: Add back DEBUG_FS
arm64: dts: socfpga: agilex: Fix gmac compatible
ARM: bcm2835_defconfig: Explicitly restore CONFIG_DEBUG_FS
arm64: dts: meson: fix gxm-khadas-vim2 wifi
arm64: dts: meson-sm1-sei610: add missing interrupt-names
ARM: meson: Drop unneeded select of COMMON_CLK
ARM: dts: bcm2711: Add pcie0 alias
ARM: dts: bcm283x: Add missing properties to the PWR LED
tee: amdtee: fix memory leak in amdtee_open_session()
ARM: OMAP2+: Fix compile if CONFIG_HAVE_ARM_SMCCC is not set
arm: dts: dra76x: Fix mmc3 max-frequency
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
bus: ti-sysc: Fix 1-wire reset quirk
ARM: dts: r8a7779: Remove deprecated "renesas, rcar-sata" compatible value
soc: imx-scu: Align imx sc msg structs to 4
firmware: imx: Align imx_sc_msg_req_cpu_start to 4
firmware: imx: scu-pd: Align imx sc msg structs to 4
firmware: imx: misc: Align imx sc msg structs to 4
firmware: imx: scu: Ensure sequential TX
ARM: dts: imx7-colibri: Fix frequency for sd/mmc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"Error reporting fix for synopsys_edac: do not overwrite partial
decoded error message (Sherry Sun)"
* tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/synopsys: Do not print an error with back-to-back snprintf() calls
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are four small char/misc driver fixes for reported issues for
5.6-rc5.
These fixes are:
- binder fix for a potential use-after-free problem found (took two
tries to get it right)
- interconnect core fix
- altera-stapl driver fix
All four of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: prevent UAF for binderfs devices II
interconnect: Handle memory allocation errors
altera-stapl: altera_get_note: prevent write beyond end of 'key'
binder: prevent UAF for binderfs devices
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and debugfs fixes from Greg KH:
"Here are four small driver core / debugfs patches for 5.6-rc3:
- debugfs api cleanup now that all debugfs_create_regset32() callers
have been fixed up. This was waiting until after the -rc1 merge as
these fixes came in through different trees
- driver core sync state fixes based on reports of minor issues found
in the feature
All of these have been in linux-next with no reported issues"
* tag 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Skip unnecessary work when device doesn't have sync_state()
driver core: Add dev_has_sync_state()
driver core: Call sync_state() even if supplier has no consumers
debugfs: remove return value of debugfs_create_regset32()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty/serial fixes for 5.6-rc5
Just some small serial driver fixes, and a vt core fixup, full details
are:
- vt fixes for issues found by syzbot
- serdev fix for Apple boxes
- fsl_lpuart serial driver fixes
- MAINTAINER update for incorrect serial files
- new device ids for 8250_exar driver
- mvebu-uart fix
All of these have been in linux-next with no reported issues"
* tag 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fsl_lpuart: free IDs allocated by IDA
Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE"
serdev: Fix detection of UART devices on Apple machines.
MAINTAINERS: Add missed files related to Synopsys DesignWare UART
serial: 8250_exar: add support for ACCES cards
tty:serial:mvebu-uart:fix a wrong return
vt: selection, push sel_lock up
vt: selection, push console lock down
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