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mlx-platform activates i2c-mux-reg, which creates buses needed by
mlxreg-hotplug. If the mlxreg-hotplug probe runs before the i2c-mux-reg
probe completes, it may attempt to connect a device to an adapter number
that has not been created yet, and fail.
Make mlx-platform driver record the highest bus number in mlxreg-hotplug
platform data and defer mlxreg-hotplug probe until all the buses are
created.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: rewrite commit message more concisely]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Add define for the channels number for mux device, instead of using
hardcoded value inside the code in order to improve code readability.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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The current page counting scheme assumes that the reference count
cannot decrease until the received frame is sent to the upper layers
of the networking stack. This assumption does not hold for the
XDP_REDIRECT action, since a page (pointed out by xdp_buff) can have
its reference count decreased via the xdp_do_redirect call.
To work around that, we now start off by a large page count and then
don't allow a refcount less than two.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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XDP stats are included in TX stats, however, they are not
reported in TX queue stats since they are setup on different
queues. Add reporting for XDP queue stats to provide
consistency between the total stats and per queue stats.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add support for XDP meta data when using build skb.
Based on commit 366a88fe2f40 ("bpf, ixgbe: add meta data support")
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Current XDP implementation hits the tail on every XDP_TX; change the
driver to only hit the tail after packet processing is complete.
Based on
commit 7379f97a4fce ("ixgbe: delay tail write to every 'n' packets")
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This implements the XDP_TX action which is modeled on the ixgbe
implementation. However instead of using CPU id to determine which XDP
queue to use, this uses the received RX queue index, which is similar
to i40e. Doing this eliminates the restriction that number of CPUs not
exceed number of XDP queues that ixgbe has.
Also, based on the number of queues available, the number of TX queues
may be reduced when an XDP program is loaded in order to accommodate the
XDP queues.
Based largely on
commit 33fdc82f0883 ("ixgbe: add support for XDP_TX action")
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Implement XDP_PASS and XDP_DROP based on the ixgbe implementation.
Based largely on commit 924708081629 ("ixgbe: add XDP support for pass and
drop actions").
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix things up to support TSO offload in conjunction
with IPsec hw offload. This raises throughput with
IPsec offload on to nearly line rate.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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There is no need to calculate the trailer length if we're doing
a GSO/TSO, as there is no trailer added to the packet data.
Also, don't bother clearing the flags field as it was already
cleared earlier.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since the ipsec data fields will be zero anyway in the non-ipsec
case, we can remove the conditional jump.
Suggested-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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With the patch
commit f8aa2696b4af ("esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting")
we no longer need to protect ourself from checksum
offload requests on IPsec packets, so we can remove
the check in our .ndo_features_check callback.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Replaced an assignment operation with an OR operation.
The variable assignment was overwriting the value read from the PHY
register. The OR operation sets only the intended register bits.
The bits that were being overwritten are reserved, so the assignment had no
functional impact.
Reported by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add status register reads and delay between reads to ixgbe_check_remove.
Registers can read 0xFFFFFFFF during PCI reset, which causes the driver
to remove the adapter. The additional status register reads can reduce the
chance of this race condition.
If the status register is not 0xFFFFFFFF, then ixgbe_check_remove returns
the value of the register being read.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Mike Lothian reported that plugging in a USB-C device does not work
properly in his Dell Alienware system. This system has an Intel Alpine
Ridge Thunderbolt controller providing USB-C functionality. In these
systems the USB controller (xHCI) is hotplugged whenever a device is
connected to the port using ACPI-based hotplug.
The ACPI description of the root port in question is as follows:
Device (RP01)
{
Name (_ADR, 0x001C0000)
Device (PXSX)
{
Name (_ADR, 0x02)
Method (_RMV, 0, NotSerialized)
{
// ...
}
}
Here _ADR 0x02 means device 0, function 2 on the bus under root port (RP01)
but that seems to be incorrect because device 0 is the upstream port of the
Alpine Ridge PCIe switch and it has no functions other than 0 (the bridge
itself). When we get ACPI Notify() to the root port resulting from
connecting a USB-C device, Linux tries to read PCI_VENDOR_ID from device 0,
function 2 which of course always returns 0xffffffff because there is no
such function and we never find the device.
In Windows this works fine.
Now, since we get ACPI Notify() to the root port and not to the PXSX device
we should actually start our scan from there as well and not from the
non-existent PXSX device. Fix this by checking presence of the slot itself
(function 0) if we fail to do that otherwise.
While there use pci_bus_read_dev_vendor_id() in get_slot_status(), which is
the recommended way to read Device and Vendor IDs of devices on PCI buses.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=198557
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org
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Restoring multiple processes concurrently can lead to live-locks
where each process prevents the other from validating all its BOs.
v2: fix duplicate check of same variable
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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On large-BAR systems the VM page tables for compute are accessed by
the CPU. Always allow CPU access to the page directory so that it can
be used later by the CPU when a VM is converted to a compute VM.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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Deallocate SDMA queues during abnormal process termination and when
queue creation fails after the SDMA allocation.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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Program sh_hidden_private_base_vmid correctly in the map-process
PM4 packet.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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Pull VFIO fix from Alex Williamson:
"Revert masking INTx where it cannot be enabled - it plays poorly with
SR-IOV VFs and presumes DisINTx support"
* tag 'vfio-v4.16-rc7' of git://github.com/awilliam/linux-vfio:
Revert: "vfio-pci: Mask INTx if a device is not capabable of enabling it"
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Pull MTD fixes from Boris Brezillon:
- Fix several problems in the fsl_ifc NAND controller driver
- Fix misuse of mtd_ooblayout_ecc() in mtdchar.c
* tag 'mtd/fixes-for-4.16-rc7' of git://git.infradead.org/linux-mtd:
mtd: nand: fsl_ifc: Read ECCSTAT0 and ECCSTAT1 registers for IFC 2.0
mtd: nand: fsl_ifc: Fix eccstat array overflow for IFC ver >= 2.0.0
mtd: nand: fsl_ifc: Fix nand waitfunc return value
mtdchar: fix usage of mtd_ooblayout_ecc()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"Here are a few small staging and IIO fixes for various reported
issues.
All of them are tiny, the majority being iio driver fixes for small
issues, and one staging driver fix for a memory corruption issue.
All have been in linux-next with no reported issues"
* tag 'staging-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ncpfs: memory corruption in ncp_read_kernel()
iio: st_pressure: st_accel: pass correct platform data to init
Revert "iio: accel: st_accel: remove redundant pointer pdata"
iio: adc: meson-saradc: unlock on error in meson_sar_adc_lock()
dt-bindings: iio: adc: sd-modulator: fix io-channel-cells
iio: adc: stm32-dfsdm: fix multiple channel initialization
iio: adc: stm32-dfsdm: fix clock source selection
iio: adc: stm32-dfsdm: fix call to stop channel
iio: adc: stm32-dfsdm: fix compatible data use
iio: chemical: ccs811: Corrected firmware boot/application mode transition
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull hyperv fix from Greg KH:
"This is a single hyperv bugfix for 4.16-rc7.
It resolves an issue with the ring-buffer signaling to resolve
reported problems.
It's been in linux-next for a while now with no reported issues"
* tag 'char-misc-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: vmbus: Fix ring buffer signaling
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Three fixes:
- dvb: fix a Kconfig typo on a help text
- tegra-cec: reset rx_buf_cnt when start bit detected
- rc: lirc does not use LIRC_CAN_SEND_SCANCODE feature"
* tag 'media/v4.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: dvb: fix a Kconfig typo
media: tegra-cec: reset rx_buf_cnt when start bit detected
media: rc: lirc does not use LIRC_CAN_SEND_SCANCODE feature
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The phys embedded into the v1.1 of the VR9 SoC are using different phy
ids. Add the phy ids to use the driver for this VR9 version as well.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VR9 phy ids are matching only for the SoC version 1.2. Rename the
macros and change the names to take this into account.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes: 2bfbd35d8ecd ("net: hns3: Changes required in PF mailbox to support VF reset")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Assign true or false to boolean variables instead of an integer value.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Sudarsana Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Assign true or false to boolean variables instead of an integer value.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is useful to rdma ULPs.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The check for the .coredump() callback in coredump_store() is
redundant. It is already assured the device driver implements
the callback upon creating the coredump sysfs entry.
Signed-off-by: Arend van Spriel <aspriel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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_rule_ is being freed and then dereferenced by accessing rule->ctx
Fix this by copying the value returned by PTR_ERR(rule->ctx) into a local
variable for its safe use after freeing _rule_
Addresses-Coverity-ID: 1466041 ("Read from pointer after free")
Fixes: 05564d0ae075 ("net/mlx5: Add flow-steering commands for FPGA IPSec implementation")
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the driver and devicetree documentation for the
Silicon Labs SI544 clock generator chip. This is an I2C controlled
oscillator capable of generating clock signals ranging from 200kHz
to 1500MHz.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
[sboyd: assign max_freq to 0 in is_valid_frequency() to squelch warning]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Since the first element of struct mlxsw_sp_span_parms is a pointer,
to zero-initialize this structure the correct notation is not = {0}, but
rather = {NULL}, as reported by sparse.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently CM request for RoCE follows following flow.
rdma_create_id()
rdma_resolve_addr()
rdma_resolve_route()
For RC QPs:
rdma_connect()
->cma_connect_ib()
->ib_send_cm_req()
->cm_init_av_by_path()
->ib_init_ah_attr_from_path()
For UD QPs:
rdma_connect()
->cma_resolve_ib_udp()
->ib_send_cm_sidr_req()
->cm_init_av_by_path()
->ib_init_ah_attr_from_path()
In both the flows, route is already resolved before sending CM requests.
Therefore, code is refactored to avoid resolving route second time in
ib_cm layer.
ib_init_ah_attr_from_path() is extended to resolve route when it is not
yet resolved for RoCE link layer. This is achieved by caller setting
route_resolved field in path record whenever it has route already
resolved.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Update MTU of overlay loopback in accordance with the setting on the
tunnel netdevice.
Fixes: 0063587d3587 ("mlxsw: spectrum: Support decap-only IP-in-IP tunnels")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the function so that it can be called without forward declaration
from a function that will be added in a follow-up patch.
Fixes: 0063587d3587 ("mlxsw: spectrum: Support decap-only IP-in-IP tunnels")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the GPL (or later) header with the SPDX identifier
for GPL-2.0+.
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Fix the incorrect display clock on R-Car M3-N,
- Always use readl()/writel(),
- Small fixes.
* tag 'clk-renesas-for-v4.17-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: cpg-mssr: Adjust r8a77980 ifdef
clk: renesas: rcar-gen3: Always use readl()/writel()
clk: renesas: sh73a0: Always use readl()/writel()
clk: renesas: rza1: Always use readl()/writel()
clk: renesas: rcar-gen2: Always use readl()/writel()
clk: renesas: r8a7740: Always use readl()/writel()
clk: renesas: r8a73a4: Always use readl()/writel()
clk: renesas: mstp: Always use readl()/writel()
clk: renesas: div6: Always use readl()/writel()
clk: renesas: r8a77965: Replace DU2 clock
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Add clock control for ethernet controller on PXs3 SoC.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The AB8540 was an evolved version of the AB8500, but it was never
mass produced or put into products, only reference designs exist.
The upstream support was never completed and it is unlikely that
this will happen so drop the support for now to simplify
maintenance of the AB8500.
Cc: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add the SPDX identifiers to all the Intel wired LAN driver files, as
outlined in Documentation/process/license-rules.rst.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The operstate update logic will leave an interface in the
default UNKNOWN operstate if the interface carrier state never changes
from the default carrier up state set at creation. This includes the
case of an explicit call to netif_carrier_on, as the carrier on to on
transition has no effect on operstate.
This affects virtio-net for the case that the virtio peer does
not support VIRTIO_NET_F_STATUS (the feature that provides carrier state
updates). Without this feature, the virtio specification states that
"the link should be assumed active," so, logically, the operstate should
be UP instead of UNKNOWN. This has impact on user space applications
that use the operstate to make availability decisions for the interface.
Resolve this by changing the virtio probe logic slightly to call
netif_carrier_off for both the "with" and "without" VIRTIO_NET_F_STATUS
cases, and then the existing call to netif_carrier_on for the "without"
case will cause an operstate transition.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cpt_device_init() is never called in atomic context.
The call chain ending up at cpt_device_init() is:
[1] cpt_device_init() <- cpt_probe()
cpt_probe() is only set as ".probe" in pci_driver structure
"cpt_pci_driver".
Despite never getting called from atomic context, cpt_device_init() calls
mdelay(100), i.e. busy wait for 100ms.
That is not necessary and can be replaced with msleep to
avoid busy waiting.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The blackfin architecture is getting removed, so this
driver won't be used any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The driver remove() function prints a message when the operation
is completed. Make this a debug level message to avoid polluting
the kernel log wih too much information.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Keystone Security Accelerator module has a hardware random generator
sub-module. This commit adds the driver for this sub-module.
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
[t-kristo@ti.com: dropped one unnecessary dev_err message]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On Armada 7K/8K we need to explicitly enable the register clock. This
clock is optional because not all the SoCs using this IP need it but at
least for Armada 7K/8K it is actually mandatory.
The binding documentation is updated accordingly.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The clock is optional, but if it is present we should managed it. If
there is an error while trying getting it, we should exit and report this
error.
So instead of returning an error only in the -EPROBE case, turn it in an
other way and ignore the clock only if it is not present (-ENOENT case).
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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