The Texas Instrument's K3 J721E SoCs have two C66x DSP Subsystems in MAIN
voltage domain that are based on the TI's standard TMS320C66x DSP CorePac
module. Each subsystem has a Fixed/Floating-Point DSP CPU, with 32 KB each
of L1P & L1D SRAMs that can be configured and partitioned as either RAM
and/or Cache, and 288 KB of L2 SRAM with 256 KB of memory configurable as
either RAM and/or Cache. The CorePac also includes an Internal DMA (IDMA),
External Memory Controller (EMC), Extended Memory Controller (XMC) with a
Region Address Translator (RAT) unit for 32-bit to 48-bit address
extension/translations, an Interrupt Controller (INTC) and a Powerdown
Controller (PDC).
A new remoteproc module is added to perform the device management of
these DSP devices. The support is limited to images using only external
DDR memory at the moment, the loading support to internal memories and
any on-chip RAM memories will be added in a subsequent patch. RAT support
is also left for a future patch, and as such the reserved memory carveout
regions are all expected to be using memory regions within the first 2 GB.
Error Recovery and Power Management features are not currently supported.
The C66x remote processors do not have an MMU, and so require fixed memory
carveout regions matching the firmware image addresses. Support for this
is provided by mandating multiple memory regions to be attached to the
remoteproc device. The first memory region will be used to serve as the
DMA pool for all dynamic allocations like the vrings and vring buffers.
The remaining memory regions are mapped into the kernel at device probe
time, and are used to provide address translations for firmware image
segments without the need for any RSC_CARVEOUT entries. Any firmware
image using memory outside of the supplied reserved memory carveout
regions will be errored out.
The driver uses various TI-SCI interfaces to talk to the System Controller
(DMSC) for managing configuration, power and reset management of these
cores. IPC between the A72 cores and the DSP cores is supported through
the virtio rpmsg stack using shared memory and OMAP Mailboxes.
Signed-off-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200721223617.20312-6-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Some Texas Instruments K3 family of SoCs have one of more Digital Signal
Processor (DSP) subsystems that are comprised of either a TMS320C66x
CorePac and/or a next-generation TMS320C71x CorePac processor subsystem.
Add the device tree bindings document for the C66x DSP devices on these
SoCs. The added example illustrates the DT nodes for the first C66x DSP
device present on the K3 J721E family of SoCs.
Signed-off-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200721223617.20312-5-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Texas Instruments' K3 generation SoCs have specific modules/register
spaces used for configuring the various aspects of a remote processor.
These include power, reset, boot vector and other configuration features
specific to each compute processor present on the SoC. These registers
are managed by the System Controller such as DMSC on K3 AM65x SoCs.
The Texas Instrument's System Control Interface (TI-SCI) Message Protocol
is used to communicate to the System Controller from various compute
processors to invoke specific services provided by the firmware running
on the System Controller.
Add a common processor control interface header file that can be used by
multiple remoteproc drivers. The helper functions within this header file
abstract the various TI SCI protocol ops for the remoteproc drivers, and
allow them to request the System Controller to be able to program and
manage various remote processors on the SoC. The remoteproc drivers are
expected to manage the life-cycle of their ti_sci_proc_dev local
structures.
Signed-off-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200721223617.20312-4-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add a new helper function rproc_of_parse_firmware() to the remoteproc
core that can be used by various remoteproc drivers to look up the
the "firmware-name" property from a rproc device node. This property
is already being used by multiple drivers, so this helper can avoid
repeating equivalent code in remoteproc drivers.
Signed-off-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200721223617.20312-3-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This is confusing, and from my reading of all the drivers only
nouveau got this right.
Just make the API act under driver control of it's own allocation
failing, and don't call destroy, if the page table fails to
create there is nothing to cleanup here.
(I'm willing to believe I've missed something here, so please
review deeply).
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200728041736.20689-1-airlied@gmail.com
Add a bindings document that defines the common TI SCI properties
used by various K3 device management nodes such as clock controllers,
interrupt controllers, reset controllers or remoteproc devices.
The required properties for each device management node shall be
specified in the respective binding document.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Suman Anna <s-anna@ti.com>
Link: https://lore.kernel.org/r/20200721223617.20312-2-s-anna@ti.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Modify mtk_gmac0_rgmii_adjust() so it can always be called.
mtk_gmac0_rgmii_adjust() sets-up the TRGMII clocks.
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-By: David Woodhouse <dwmw2@infradead.org>
Tested-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Mat Martineau says:
====================
mptcp: Exchange MPTCP DATA_FIN/DATA_ACK before TCP FIN
This series allows the MPTCP-level connection to be closed with the
peers exchanging DATA_FIN and DATA_ACK according to the state machine in
appendix D of RFC 8684. The process is very similar to the TCP
disconnect state machine.
The prior code sends DATA_FIN only when TCP FIN packets are sent, and
does not allow for the MPTCP-level connection to be half-closed.
Patch 8 ("mptcp: Use full MPTCP-level disconnect state machine") is the
core of the series. Earlier patches in the series have some small fixes
and helpers in preparation, and the final four small patches do some
cleanup.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The MPTCP socket's write_seq member can be read without the msk lock
held, so use WRITE_ONCE() to store it.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MPTCP socket's write_seq member should be read with READ_ONCE() when
the msk lock is not held.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bare TCP ack skbs are freed right after MPTCP sees them, so the work to
allocate, zero, and populate the MPTCP skb extension is wasted. Detect
these skbs and do not add skb extensions to them.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MPTCP state machine handles disconnections on non-fallback connections,
but the mptcp_sock still needs to get notified when fallback subflows
disconnect.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RFC 8684 appendix D describes the connection state machine for
MPTCP. This patch implements the DATA_FIN / DATA_ACK exchanges and
MPTCP-level socket state changes described in that appendix, rather than
simply sending DATA_FIN along with TCP FIN when disconnecting subflows.
DATA_FIN is now sent and acknowledged before shutting down the
subflows. Received DATA_FIN information (if not part of a data packet)
is written to the MPTCP socket when the incoming DSS option is parsed by
the subflow, and the MPTCP worker is scheduled to process the
flag. DATA_FIN received as part of a full DSS mapping will be handled
when the mapping is processed.
The DATA_FIN is acknowledged by the worker if the reader is caught
up. If there is still data to be moved to the MPTCP-level queue, ack_seq
will be incremented to account for the DATA_FIN when it reaches the end
of the stream and a DATA_ACK will be sent to the peer.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After DATA_FIN has been sent, the peer will acknowledge it. An ack of
the relevant MPTCP-level sequence number will update the MPTCP
connection state appropriately.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This will be used to transition to the appropriate state on close and
determine if a DATA_FIN needs to be sent for that state transition.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Incoming DATA_FIN headers need to propagate the presence of the DATA_FIN
bit and the associated sequence number to the MPTCP layer, even when
arriving on a bare ACK that does not get added to the receive queue. Add
structure members to store the DATA_FIN information and helpers to set
and check those values.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since DATA_FIN information is the same for every subflow, store it only
in the mptcp_sock.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mptcp_close() acquires the msk lock, so it clearly should not be held
before the function is called.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A MPTCP socket where sending has been shut down should not attempt to
send additional data, since DATA_FIN has already been sent.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RFC 8684-compliant DATA_FIN needs to be sent and ack'd before subflows
are closed with TCP FIN, so write DATA_FIN DSS headers whenever their
transmission has been enabled by the MPTCP connection-level socket.
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just drop the argument from this.
This does ask the question if this is the function vmwgfx
should be using or should it be doing an evict all like
the other drivers.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200728034254.20114-1-airlied@gmail.com
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Merge tag 'mlx5-fixes-2020-07-28' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes-2020-07-28
This series introduces some fixes to mlx5 driver.
v1->v2:
- Drop the "Hold reference on mirred devices" patch, until Or's
comments are addressed.
- Imporve "Modify uplink state" patch commit message per Or's request.
Please pull and let me know if there is any problem.
For -Stable:
For -stable v4.9
('net/mlx5e: Fix error path of device attach')
For -stable v4.15
('net/mlx5: Verify Hardware supports requested ptp function on a given
pin')
For -stable v5.3
('net/mlx5e: Modify uplink state on interface up/down')
For -stable v5.4
('net/mlx5e: Fix kernel crash when setting vf VLANID on a VF dev')
('net/mlx5: E-switch, Destroy TSAR when fail to enable the mode')
For -stable v5.5
('net/mlx5: E-switch, Destroy TSAR after reload interface')
For -stable v5.7
('net/mlx5: Fix a bug of using ptp channel index as pin index')
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Entire net/core subsystem is not built without CONFIG_NET. linux/netdevice.h
just assumes that it's always there, so the easiest way to fix this is to
conditionally compile out bpf_xdp_link_attach() use in bpf/syscall.c.
Fixes: aa8d3a716b ("bpf, xdp: Add bpf_link-based XDP attachment API")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200728190527.110830-1-andriin@fb.com
Using localhost requires the host to have a /etc/hosts file with that
specific line in it. By default my dev box did not, they used
ip6-localhost, so the test was failing. To fix remove the need for any
/etc/hosts and use ::1.
I could just add the line, but this seems easier.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/159594714197.21431.10113693935099326445.stgit@john-Precision-5820-Tower
Although currently we're not enabling any ISA device in devicetree,
but this node is required to express the ranges of address reserved
for ISA.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Ranges should express the actual physical address on bus.
Also enlarge the PCI I/O size to the actual hardware limit.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
It can be very big on LS7A PCH systems.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Previously, we're hardcoding reserved ISA I/O Space in, now
we're processing it I/O via DeviceTree directly.
The ranges property if ISA node is used to determine the size and address
of reserved I/O space.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
So the parser can be used to parse range property of ISA bus.
As they're all using PCI-like method of range property, there is no need
start a new parser.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Enabling the JZ4780_NEMC driver makes sense only for specific hardware -
the Ingenic SoC architecture. It is not an essential driver for the SoC
support so do not enable it by default.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The CONFIG_JZ4780_NEMC was previously a default on MIPS but now it has
to be enabled manually.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Christoph Hellwig says:
====================
sockptr_t fixes v2
a bunch of fixes for the sockptr_t conversion
Changes since v1:
- fix a user pointer dereference braino in bpfilter
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure not just the pointer itself but the whole range lies in
the user address space. For that pass the length and then use
the access_ok helper to do the check.
Fixes: 6d04fe15f7 ("net: optimize the sockptr_t for unified kernel/user address spaces")
Reported-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
sockptr_advance never properly worked. Replace it with _offset variants
of copy_from_sockptr and copy_to_sockptr.
Fixes: ba423fdaa5 ("net: add a new sockptr_t type")
Reported-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reported-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While the kernel in general is not strict aliasing safe we can trivially
do that in sockptr_is_null without affecting code generation, so always
check the actually assigned union member.
Reported-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This was accidentally removed in an unrelated commit.
Fixes: c2f12630c6 ("netfilter: switch nf_setsockopt to sockptr_t")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hovold says:
====================
net: lan78xx: fix NULL deref and memory leak
The first two patches fix a NULL-pointer dereference at probe that can
be triggered by a malicious device and a small transfer-buffer memory
leak, respectively.
For another subsystem I would have marked them:
Cc: stable@vger.kernel.org # 4.3
The third one replaces the driver's current broken endpoint lookup
helper, which could end up accepting incomplete interfaces and whose
results weren't even useeren
Johan
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Drop the bogus endpoint-lookup helper which could end up accepting
interfaces based on endpoints belonging to unrelated altsettings.
Note that the returned bulk pipes and interrupt endpoint descriptor
were never actually used. Instead the bulk-endpoint numbers are
hardcoded to 1 and 2 (matching the specification), while the interrupt-
endpoint descriptor was assumed to be the third descriptor created by
USB core.
Try to bring some order to this by dropping the bogus lookup helper and
adding the missing endpoint sanity checks while keeping the interrupt-
descriptor assumption for now.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The interrupt URB transfer-buffer was never freed on disconnect or after
probe errors.
Fixes: 55d7de9de6 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Cc: Woojung.Huh@microchip.com <Woojung.Huh@microchip.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the missing endpoint sanity check to prevent a NULL-pointer
dereference should a malicious device lack the expected endpoints.
Note that the driver has a broken endpoint-lookup helper,
lan78xx_get_endpoints(), which can end up accepting interfaces in an
altsetting without endpoints as long as *some* altsetting has a bulk-in
and a bulk-out endpoint.
Fixes: 55d7de9de6 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Cc: Woojung.Huh@microchip.com <Woojung.Huh@microchip.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Add support for QSFP-DD transceiver type
This patch set from Vadim adds support for Quad Small Form Factor
Pluggable Double Density (QSFP-DD) modules in mlxsw.
Patch #1 enables dumping of QSFP-DD module information through ethtool.
Patch #2 enables reading of temperature thresholds from QSFP-DD modules
for hwmon and thermal zone purposes.
Changes since v1 [1]:
Only rebase on top of net-next. After discussing with Andrew and Adrian
we agreed that current approach is OK and that in the future we can
follow Andrew's suggestion to "make a new API where user space can
request any pages it want, and specify the size of the page". This
should allow us "to work around known issues when manufactures get their
EEPROM wrong".
[1] https://lore.kernel.org/netdev/20200626144724.224372-1-idosch@idosch.org/#t
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow QSFP-DD transceivers temperature thresholds reading for hardware
monitoring and thermal control.
For this type, the thresholds are located in page 02h according to the
"Module and Lane Thresholds" description from Common Management
Interface Specification.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Quad Small Form Factor Pluggable Double Density (QSFP-DD) hardware
specification defines a form factor that supports up to 400 Gbps in
aggregate over an 8x50-Gbps electrical interface. The QSFP-DD supports
both optical and copper interfaces.
Implementation is based on Common Management Interface Specification;
Rev 4.0 May 8, 2019. Table 8-2 "Identifier and Status Summary (Lower
Page)" from this spec defines "Id and Status" fields located at offsets
00h - 02h. Bit 2 at offset 02h ("Flat_mem") specifies QSFP EEPROM memory
mode, which could be "upper memory flat" or "paged". Flat memory mode is
coded "1", and indicates that only page 00h is implemented in EEPROM.
Paged memory is coded "0" and indicates that pages 00h, 01h, 02h, 10h
and 11h are implemented. Pages 10h and 11h are currently not supported
by the driver.
"Flat" memory mode is used for the passive copper transceivers. For this
type only page 00h (256 bytes) is available. "Paged" memory is used for
the optical transceivers. For this type pages 00h (256 bytes), 01h (128
bytes) and 02h (128 bytes) are available. Upper page 01h contains static
advertising field, while upper page 02h contains the module-defined
thresholds and lane-specific monitors.
Extend enumerator 'mlxsw_reg_mcia_eeprom_module_info_id' with additional
field 'MLXSW_REG_MCIA_EEPROM_MODULE_INFO_TYPE_ID'. This field is used to
indicate for QSFP-DD transceiver type which memory mode is to be used.
Expose 256 bytes buffer for QSFP-DD passive copper transceiver and
512 bytes buffer for optical.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Misc and small update to mlx5 driver:
1) Aya adds PCIe relaxed ordering support for mlx5 netdev queues.
2) Eran Refactors pages data base to be per vf/function to speedup
unload time.
3) Parav changes eswitch steering initialization to account for
tota_vports rather than for only active vports and
Link non uplink representors to PCI device, for uniform naming scheme.
4) Tariq, trivial RX code improvements and missing inidirect calls
wrappers.
5) Small cleanup patches
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Merge tag 'mlx5-updates-2020-07-28' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2020-07-28
Misc and small update to mlx5 driver:
1) Aya adds PCIe relaxed ordering support for mlx5 netdev queues.
2) Eran Refactors pages data base to be per vf/function to speedup
unload time.
3) Parav changes eswitch steering initialization to account for
tota_vports rather than for only active vports and
Link non uplink representors to PCI device, for uniform naming scheme.
4) Tariq, trivial RX code improvements and missing inidirect calls
wrappers.
5) Small cleanup patches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The .suspend() and .resume() callbacks are not defined for this driver.
Still, their power management structure follows the legacy framework. To
bring it under the generic framework, simply remove the binding of
callbacks from "struct pci_driver".
Change code indentation from space to tab in "struct pci_driver".
Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When setting the PF interface up/down, notify the firmware to update
uplink state via MODIFY_VPORT_STATE, when E-Switch is enabled.
This behavior will prevent sending traffic out on uplink port when PF is
down, such as sending traffic from a VF interface which is still up.
Currently when calling mlx5e_open/close(), the driver only sends PAOS
command to notify the firmware to set the physical port state to
up/down, however, it is not sufficient. When VF is in "auto" state, it
follows the uplink state, which was not updated on mlx5e_open/close()
before this patch.
When switchdev mode is enabled and uplink representor is first enabled,
set the uplink port state value back to its FW default "AUTO".
Fixes: 63bfd399de ("net/mlx5e: Send PAOS command on interface up/down")
Signed-off-by: Ron Diskin <rondi@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
