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In set_ethernet_addr(), if get_registers() succeeds, the ethernet address
that was read must be copied over. Otherwise, a random ethernet address
must be assigned.
get_registers() returns 0 if successful, and negative error number
otherwise. However, in set_ethernet_addr(), this return value is
incorrectly checked.
Since this return value will never be equal to sizeof(node_id), a
random MAC address will always be generated and assigned to the
device; even in cases when get_registers() is successful.
Correctly modifying the condition that checks if get_registers() was
successful or not fixes this problem, and copies the ethernet address
appropriately.
Fixes: b2a0f274e3f7 ("net: rtl8150: Use the new usb control message API.")
Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Link: https://lore.kernel.org/r/20201011173030.141582-1-anant.thazhemadam@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The below compile time error can be seen when PHYLIB is configured as a
module.
ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_read':
pcs-xpcs.c:(.text+0x29): undefined reference to `mdiobus_read'
ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_soft_reset.constprop.7':
pcs-xpcs.c:(.text+0x80): undefined reference to `mdiobus_write'
ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_config_aneg':
pcs-xpcs.c:(.text+0x318): undefined reference to `mdiobus_write'
ld: pcs-xpcs.c:(.text+0x38e): undefined reference to `mdiobus_write'
ld: pcs-xpcs.c:(.text+0x3eb): undefined reference to `mdiobus_write'
ld: pcs-xpcs.c:(.text+0x437): undefined reference to `mdiobus_write'
ld: drivers/net/pcs/pcs-xpcs.o:pcs-xpcs.c:(.text+0xb1e): more undefined references to `mdiobus_write' follow
PHYLIB being a module leads to MDIO_BUS being a module as well while the
XPCS is still built-in. What should happen in this configuration is that
PCS_XPCS should be forced to build as module. However, that select only
acts in the opposite way so we should turn it into a depends.
Fix this up by explicitly depending on MDIO_BUS.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Fixes: 2fa4e4b799e1 ("net: pcs: Move XPCS into new PCS subdirectory")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The new HW arbitration feature on Aspeed ast2600 will cause MAC TX to
hang when handling scatter-gather DMA. Disable the problematic feature
by setting MAC register 0x58 bit28 and bit27.
Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Print IRQ number used by PCIe Link Bandwidth Notification (Dongdong
Liu)
- Add schedule point in pci_read_config() to reduce max latency
(Jiang Biao)
- Add Kconfig options for MPS/MRRS strategy (Jim Quinlan)
Resource management:
- Fix pci_iounmap() memory leak when !CONFIG_GENERIC_IOMAP (Lorenzo
Pieralisi)
PCIe native device hotplug:
- Reduce noisiness on hot removal (Lukas Wunner)
Power management:
- Revert "PCI/PM: Apply D2 delay as milliseconds, not microseconds"
that was done on the basis of spec typo (Bjorn Helgaas)
- Rename pci_dev.d3_delay to d3hot_delay to remove D3hot/D3cold
ambiguity (Krzysztof Wilczyński)
- Remove unused pcibios_pm_ops (Vaibhav Gupta)
IOMMU:
- Enable Translation Blocking for external devices to harden against
DMA attacks (Rajat Jain)
Error handling:
- Add an ACPI APEI notifier chain for vendor CPER records to enable
device-specific error handling (Shiju Jose)
ASPM:
- Remove struct aspm_register_info to simplify code (Saheed O.
Bolarinwa)
Amlogic Meson PCIe controller driver:
- Build as module by default (Kevin Hilman)
Ampere Altra PCIe controller driver:
- Add MCFG quirk to work around non-standard ECAM implementation
(Tuan Phan)
Broadcom iProc PCIe controller driver:
- Set affinity mask on MSI interrupts (Mark Tomlinson)
Broadcom STB PCIe controller driver:
- Make PCIE_BRCMSTB depend on ARCH_BRCMSTB (Jim Quinlan)
- Add DT bindings for more Brcmstb chips (Jim Quinlan)
- Add bcm7278 register info (Jim Quinlan)
- Add bcm7278 PERST# support (Jim Quinlan)
- Add suspend and resume pm_ops (Jim Quinlan)
- Add control of rescal reset (Jim Quinlan)
- Set additional internal memory DMA viewport sizes (Jim Quinlan)
- Accommodate MSI for older chips (Jim Quinlan)
- Set bus max burst size by chip type (Jim Quinlan)
- Add support for bcm7211, bcm7216, bcm7445, bcm7278 (Jim Quinlan)
Freescale i.MX6 PCIe controller driver:
- Use dev_err_probe() to reduce redundant messages (Anson Huang)
Freescale Layerscape PCIe controller driver:
- Enforce 4K DMA buffer alignment in endpoint test (Hou Zhiqiang)
- Add DT compatible strings for ls1088a, ls2088a (Xiaowei Bao)
- Add endpoint support for ls1088a, ls2088a (Xiaowei Bao)
- Add endpoint test support for lS1088a (Xiaowei Bao)
- Add MSI-X support for ls1088a (Xiaowei Bao)
HiSilicon HIP PCIe controller driver:
- Handle HIP-specific errors via ACPI APEI (Yicong Yang)
HiSilicon Kirin PCIe controller driver:
- Return -EPROBE_DEFER if the GPIO isn't ready (Bean Huo)
Intel VMD host bridge driver:
- Factor out physical offset, bus offset, IRQ domain, IRQ allocation
(Jon Derrick)
- Use generic PCI PM correctly (Jon Derrick)
Marvell Aardvark PCIe controller driver:
- Fix compilation on s390 (Pali Rohár)
- Implement driver 'remove' function and allow to build it as module
(Pali Rohár)
- Move PCIe reset card code to advk_pcie_train_link() (Pali Rohár)
- Convert mvebu a3700 internal SMCC firmware return codes to errno
(Pali Rohár)
- Fix initialization with old Marvell's Arm Trusted Firmware (Pali
Rohár)
Microsoft Hyper-V host bridge driver:
- Fix hibernation in case interrupts are not re-created (Dexuan Cui)
NVIDIA Tegra PCIe controller driver:
- Stop checking return value of debugfs_create() functions (Greg
Kroah-Hartman)
- Convert to use DEFINE_SEQ_ATTRIBUTE macro (Liu Shixin)
Qualcomm PCIe controller driver:
- Reset PCIe to work around Qsdk U-Boot issue (Ansuel Smith)
Renesas R-Car PCIe controller driver:
- Add DT documentation for r8a774a1, r8a774b1, r8a774e1 endpoints
(Lad Prabhakar)
- Add RZ/G2M, RZ/G2N, RZ/G2H IDs to endpoint test (Lad Prabhakar)
- Add DT support for r8a7742 (Lad Prabhakar)
Socionext UniPhier Pro5 controller driver:
- Add DT descriptions of iATU register (host and endpoint) (Kunihiko
Hayashi)
Synopsys DesignWare PCIe controller driver:
- Add link up check in dw_child_pcie_ops.map_bus() (racy, but seems
unavoidable) (Hou Zhiqiang)
- Fix endpoint Header Type check so multi-function devices work (Hou
Zhiqiang)
- Skip PCIE_MSI_INTR0* programming if MSI is disabled (Jisheng Zhang)
- Stop leaking MSI page in suspend/resume (Jisheng Zhang)
- Add common iATU register support instead of keystone-specific code
(Kunihiko Hayashi)
- Major config space access and other cleanups in dwc core and
drivers that use it (al, exynos, histb, imx6, intel-gw, keystone,
kirin, meson, qcom, tegra) (Rob Herring)
- Add multiple PFs support for endpoint (Xiaowei Bao)
- Add MSI-X doorbell mode in endpoint mode (Xiaowei Bao)
Miscellaneous:
- Use fallthrough pseudo-keyword (Gustavo A. R. Silva)
- Fix "0 used as NULL pointer" warnings (Gustavo Pimentel)
- Fix "cast truncates bits from constant value" warnings (Gustavo
Pimentel)
- Remove redundant zeroing for sg_init_table() (Julia Lawall)
- Use scnprintf(), not snprintf(), in sysfs "show" functions
(Krzysztof Wilczyński)
- Remove unused assignments (Krzysztof Wilczyński)
- Fix "0 used as NULL pointer" warning (Krzysztof Wilczyński)
- Simplify bool comparisons (Krzysztof Wilczyński)
- Use for_each_child_of_node() and for_each_node_by_name() (Qinglang
Miao)
- Simplify return expressions (Qinglang Miao)"
* tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (147 commits)
PCI: vmd: Update VMD PM to correctly use generic PCI PM
PCI: vmd: Create IRQ allocation helper
PCI: vmd: Create IRQ Domain configuration helper
PCI: vmd: Create bus offset configuration helper
PCI: vmd: Create physical offset helper
PCI: v3-semi: Remove unneeded break
PCI: dwc: Add link up check in dw_child_pcie_ops.map_bus()
PCI/ASPM: Remove struct pcie_link_state.l1ss
PCI/ASPM: Remove struct aspm_register_info.l1ss_cap
PCI/ASPM: Pass L1SS Capabilities value, not struct aspm_register_info
PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl1
PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl2 (unused)
PCI/ASPM: Remove struct aspm_register_info.l1ss_cap_ptr
PCI/ASPM: Remove struct aspm_register_info.latency_encoding
PCI/ASPM: Remove struct aspm_register_info.enabled
PCI/ASPM: Remove struct aspm_register_info.support
PCI/ASPM: Use 'parent' and 'child' for readability
PCI/ASPM: Move LTR path check to where it's used
PCI/ASPM: Move pci_clear_and_set_dword() earlier
PCI: dwc: Fix MSI page leakage in suspend/resume
...
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PCI devices support two variants of the D3 power state: D3hot (main power
present) D3cold (main power removed). Previously struct pci_dev contained:
unsigned int d3_delay; /* D3->D0 transition time in ms */
unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */
"d3_delay" refers specifically to the D3hot state. Rename it to
"d3hot_delay" to avoid ambiguity and align with the ACPI "_DSM for
Specifying Device Readiness Durations" in the PCI Firmware spec r3.2,
sec 4.6.9.
There is no change to the functionality.
Link: https://lore.kernel.org/r/20200730210848.1578826-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull more xen updates from Juergen Gross:
- A single patch to fix the Xen security issue XSA-331 (malicious
guests can DoS dom0 by triggering NULL-pointer dereferences or access
to stale data).
- A larger series to fix the Xen security issue XSA-332 (malicious
guests can DoS dom0 by sending events at high frequency leading to
dom0's vcpus being busy in IRQ handling for elongated times).
* tag 'for-linus-5.10b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: block rogue events for some time
xen/events: defer eoi in case of excessive number of events
xen/events: use a common cpu hotplug hook for event channels
xen/events: switch user event channels to lateeoi model
xen/pciback: use lateeoi irq binding
xen/pvcallsback: use lateeoi irq binding
xen/scsiback: use lateeoi irq binding
xen/netback: use lateeoi irq binding
xen/blkback: use lateeoi irq binding
xen/events: add a new "late EOI" evtchn framework
xen/events: fix race in evtchn_fifo_unmask()
xen/events: add a proper barrier to 2-level uevent unmasking
xen/events: avoid removing an event channel while handling it
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In order to reduce the chance for the system becoming unresponsive due
to event storms triggered by a misbehaving netfront use the lateeoi
irq binding for netback and unmask the event channel only just before
going to sleep waiting for new events.
Make sure not to issue an EOI when none is pending by introducing an
eoi_pending element to struct xenvif_queue.
When no request has been consumed set the spurious flag when sending
the EOI for an interrupt.
This is part of XSA-332.
Cc: stable@vger.kernel.org
Reported-by: Julien Grall <julien@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Wei Liu <wl@xen.org>
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Pull rdma updates from Jason Gunthorpe:
"A usual cycle for RDMA with a typical mix of driver and core subsystem
updates:
- Driver minor changes and bug fixes for mlx5, efa, rxe, vmw_pvrdma,
hns, usnic, qib, qedr, cxgb4, hns, bnxt_re
- Various rtrs fixes and updates
- Bug fix for mlx4 CM emulation for virtualization scenarios where
MRA wasn't working right
- Use tracepoints instead of pr_debug in the CM code
- Scrub the locking in ucma and cma to close more syzkaller bugs
- Use tasklet_setup in the subsystem
- Revert the idea that 'destroy' operations are not allowed to fail
at the driver level. This proved unworkable from a HW perspective.
- Revise how the umem API works so drivers make fewer mistakes using
it
- XRC support for qedr
- Convert uverbs objects RWQ and MW to new the allocation scheme
- Large queue entry sizes for hns
- Use hmm_range_fault() for mlx5 On Demand Paging
- uverbs APIs to inspect the GID table instead of sysfs
- Move some of the RDMA code for building large page SGLs into
lib/scatterlist"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (191 commits)
RDMA/ucma: Fix use after free in destroy id flow
RDMA/rxe: Handle skb_clone() failure in rxe_recv.c
RDMA/rxe: Move the definitions for rxe_av.network_type to uAPI
RDMA: Explicitly pass in the dma_device to ib_register_device
lib/scatterlist: Do not limit max_segment to PAGE_ALIGNED values
IB/mlx4: Convert rej_tmout radix-tree to XArray
RDMA/rxe: Fix bug rejecting all multicast packets
RDMA/rxe: Fix skb lifetime in rxe_rcv_mcast_pkt()
RDMA/rxe: Remove duplicate entries in struct rxe_mr
IB/hfi,rdmavt,qib,opa_vnic: Update MAINTAINERS
IB/rdmavt: Fix sizeof mismatch
MAINTAINERS: CISCO VIC LOW LATENCY NIC DRIVER
RDMA/bnxt_re: Fix sizeof mismatch for allocation of pbl_tbl.
RDMA/bnxt_re: Use rdma_umem_for_each_dma_block()
RDMA/umem: Move to allocate SG table from pages
lib/scatterlist: Add support in dynamic allocation of SG table from pages
tools/testing/scatterlist: Show errors in human readable form
tools/testing/scatterlist: Rejuvenate bit-rotten test
RDMA/ipoib: Set rtnl_link_ops for ipoib interfaces
RDMA/uverbs: Expose the new GID query API to user space
...
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From Maor Gottlieb says:
====================
This series extends __sg_alloc_table_from_pages to allow chaining of new
pages to an already initialized SG table.
This allows for drivers to utilize the optimization of merging contiguous
pages without a need to pre allocate all the pages and hold them in a very
large temporary buffer prior to the call to SG table initialization.
The last patch changes the Infiniband core to use the new API. It removes
duplicate functionality from the code and benefits from the optimization
of allocating dynamic SG table from pages.
In huge pages system of 2MB page size, without this change, the SG table
would contain x512 SG entries.
====================
* branch 'dynamic_sg':
RDMA/umem: Move to allocate SG table from pages
lib/scatterlist: Add support in dynamic allocation of SG table from pages
tools/testing/scatterlist: Show errors in human readable form
tools/testing/scatterlist: Rejuvenate bit-rotten test
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Leon Romanovsky says:
====================
IBTA declares speed as 16 bits, but kernel stores it in u8. This series
fixes in-kernel declaration while keeping external interface intact.
====================
Based on the mlx5-next branch at
git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
due to dependencies.
* branch 'mlx5_active_speed':
RDMA: Fix link active_speed size
RDMA/mlx5: Delete duplicated mlx5_ptys_width enum
net/mlx5: Refactor query port speed functions
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Combine two same enums to avoid duplication.
Signed-off-by: Aharon Landau <aharonl@mellanox.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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The functions mlx5_query_port_link_width_oper and
mlx5_query_port_ib_proto_oper are always called together, so combine them
to a new function called mlx5_query_port_oper to avoid duplication.
And while the mlx5i_get_port_settings is the same as
mlx5_query_port_oper therefore let's remove it.
According to the IB spec link_width_oper and ib_proto_oper should be u16
and not as written u8, so perform casting as a preparation to cross-RDMA
patch which will fix that type for all drivers in the RDMA subsystem.
Fixes: ada68c31ba9c ("net/mlx5: Introduce a new header file for physical port functions")
Signed-off-by: Aharon Landau <aharonl@mellanox.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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MTU change on ethtool is currently not supported for iWARP. Notify qedr
driver so that appropriate logging can take place.
Link: https://lore.kernel.org/r/20200902165741.8355-6-michal.kalderon@marvell.com
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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zbva is always false, so fbo is never read.
A 'zero-based-virtual-address' is simply IOVA == 0, and the driver already
supports this.
Link: https://lore.kernel.org/r/16-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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As qedr driver supports both RoCE and iWarp, make sure to set the
max_pkeys only when running in RoCE mode.
Link: https://lore.kernel.org/r/20200827141655.406185-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull documentation updates from Mauro Carvalho Chehab:
"A series of patches addressing warnings produced by make htmldocs.
This includes:
- kernel-doc markup fixes
- ReST fixes
- Updates at the build system in order to support newer versions of
the docs build toolchain (Sphinx)
After this series, the number of html build warnings should reduce
significantly, and building with Sphinx 3.1 or later should now be
supported (although it is still recommended to use Sphinx 2.4.4).
As agreed with Jon, I should be sending you a late pull request by the
end of the merge window addressing remaining issues with docs build,
as there are a number of warning fixes that depends on pull requests
that should be happening along the merge window.
The end goal is to have a clean htmldocs build on Kernel 5.10.
PS. It should be noticed that Sphinx 3.0 is not currently supported,
as it lacks support for C domain namespaces. Such feature, needed in
order to document uAPI system calls with Sphinx 3.x, was added only on
Sphinx 3.1"
* tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (75 commits)
PM / devfreq: remove a duplicated kernel-doc markup
mm/doc: fix a literal block markup
workqueue: fix a kernel-doc warning
docs: virt: user_mode_linux_howto_v2.rst: fix a literal block markup
Input: sparse-keymap: add a description for @sw
rcu/tree: docs: document bkvcache new members at struct kfree_rcu_cpu
nl80211: docs: add a description for s1g_cap parameter
usb: docs: document altmode register/unregister functions
kunit: test.h: fix a bad kernel-doc markup
drivers: core: fix kernel-doc markup for dev_err_probe()
docs: bio: fix a kerneldoc markup
kunit: test.h: solve kernel-doc warnings
block: bio: fix a warning at the kernel-doc markups
docs: powerpc: syscall64-abi.rst: fix a malformed table
drivers: net: hamradio: fix document location
net: appletalk: Kconfig: Fix docs location
dt-bindings: fix references to files converted to yaml
memblock: get rid of a :c:type leftover
math64.h: kernel-docs: Convert some markups into normal comments
media: uAPI: buffer.rst: remove a left-over documentation
...
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The hamradio docs were moved to a different dir.
Update its location accordingly.
Fixes: 14474950252c ("docs: networking: move z8530 to the hw driver section")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The location of ltpc.rst changed. Update it at Kconfig.
Fixes: 4daedf7abb41 ("docs: networking: move AppleTalk / LocalTalk drivers to the hw driver section")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
- Add redirect_neigh() BPF packet redirect helper, allowing to limit
stack traversal in common container configs and improving TCP
back-pressure.
Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.
- Expand netlink policy support and improve policy export to user
space. (Ge)netlink core performs request validation according to
declared policies. Expand the expressiveness of those policies
(min/max length and bitmasks). Allow dumping policies for particular
commands. This is used for feature discovery by user space (instead
of kernel version parsing or trial and error).
- Support IGMPv3/MLDv2 multicast listener discovery protocols in
bridge.
- Allow more than 255 IPv4 multicast interfaces.
- Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
packets of TCPv6.
- In Multi-patch TCP (MPTCP) support concurrent transmission of data on
multiple subflows in a load balancing scenario. Enhance advertising
addresses via the RM_ADDR/ADD_ADDR options.
- Support SMC-Dv2 version of SMC, which enables multi-subnet
deployments.
- Allow more calls to same peer in RxRPC.
- Support two new Controller Area Network (CAN) protocols - CAN-FD and
ISO 15765-2:2016.
- Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
kernel problem.
- Add TC actions for implementing MPLS L2 VPNs.
- Improve nexthop code - e.g. handle various corner cases when nexthop
objects are removed from groups better, skip unnecessary
notifications and make it easier to offload nexthops into HW by
converting to a blocking notifier.
- Support adding and consuming TCP header options by BPF programs,
opening the doors for easy experimental and deployment-specific TCP
option use.
- Reorganize TCP congestion control (CC) initialization to simplify
life of TCP CC implemented in BPF.
- Add support for shipping BPF programs with the kernel and loading
them early on boot via the User Mode Driver mechanism, hence reusing
all the user space infra we have.
- Support sleepable BPF programs, initially targeting LSM and tracing.
- Add bpf_d_path() helper for returning full path for given 'struct
path'.
- Make bpf_tail_call compatible with bpf-to-bpf calls.
- Allow BPF programs to call map_update_elem on sockmaps.
- Add BPF Type Format (BTF) support for type and enum discovery, as
well as support for using BTF within the kernel itself (current use
is for pretty printing structures).
- Support listing and getting information about bpf_links via the bpf
syscall.
- Enhance kernel interfaces around NIC firmware update. Allow
specifying overwrite mask to control if settings etc. are reset
during update; report expected max time operation may take to users;
support firmware activation without machine reboot incl. limits of
how much impact reset may have (e.g. dropping link or not).
- Extend ethtool configuration interface to report IEEE-standard
counters, to limit the need for per-vendor logic in user space.
- Adopt or extend devlink use for debug, monitoring, fw update in many
drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx,
dpaa2-eth).
- In mlxsw expose critical and emergency SFP module temperature alarms.
Refactor port buffer handling to make the defaults more suitable and
support setting these values explicitly via the DCBNL interface.
- Add XDP support for Intel's igb driver.
- Support offloading TC flower classification and filtering rules to
mscc_ocelot switches.
- Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
fixed interval period pulse generator and one-step timestamping in
dpaa-eth.
- Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
offload.
- Add Lynx PHY/PCS MDIO module, and convert various drivers which have
this HW to use it. Convert mvpp2 to split PCS.
- Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
7-port Mediatek MT7531 IP.
- Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
and wcn3680 support in wcn36xx.
- Improve performance for packets which don't require much offloads on
recent Mellanox NICs by 20% by making multiple packets share a
descriptor entry.
- Move chelsio inline crypto drivers (for TLS and IPsec) from the
crypto subtree to drivers/net. Move MDIO drivers out of the phy
directory.
- Clean up a lot of W=1 warnings, reportedly the actively developed
subsections of networking drivers should now build W=1 warning free.
- Make sure drivers don't use in_interrupt() to dynamically adapt their
code. Convert tasklets to use new tasklet_setup API (sadly this
conversion is not yet complete).
* tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits)
Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
net, sockmap: Don't call bpf_prog_put() on NULL pointer
bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
bpf, sockmap: Add locking annotations to iterator
netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
net: fix pos incrementment in ipv6_route_seq_next
net/smc: fix invalid return code in smcd_new_buf_create()
net/smc: fix valid DMBE buffer sizes
net/smc: fix use-after-free of delayed events
bpfilter: Fix build error with CONFIG_BPFILTER_UMH
cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr
net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
bpf: Fix register equivalence tracking.
rxrpc: Fix loss of final ack on shutdown
rxrpc: Fix bundle counting for exclusive connections
netfilter: restore NF_INET_NUMHOOKS
ibmveth: Identify ingress large send packets.
ibmveth: Switch order of ibmveth_helper calls.
cxgb4: handle 4-tuple PEDIT to NAT mode translation
selftests: Add VRF route leaking tests
...
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Minor conflicts in net/mptcp/protocol.h and
tools/testing/selftests/net/Makefile.
In both cases code was added on both sides in the same place
so just keep both.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ingress large send packets are identified by either:
The IBMVETH_RXQ_LRG_PKT flag in the receive buffer
or with a -1 placed in the ip header checksum.
The method used depends on firmware version. Frame
geometry and sufficient header validation is performed by the
hypervisor eliminating the need for further header checks here.
Fixes: 7b5967389f5a ("ibmveth: set correct gso_size and gso_type")
Signed-off-by: David Wilder <dwilder@us.ibm.com>
Reviewed-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Reviewed-by: Cristobal Forno <cris.forno@ibm.com>
Reviewed-by: Pradeep Satyanarayana <pradeeps@linux.vnet.ibm.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ibmveth_rx_csum_helper() must be called after ibmveth_rx_mss_helper()
as ibmveth_rx_csum_helper() may alter ip and tcp checksum values.
Fixes: 66aa0678efc2 ("ibmveth: Support to enable LSO/CSO for Trunk VEA.")
Signed-off-by: David Wilder <dwilder@us.ibm.com>
Reviewed-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Reviewed-by: Cristobal Forno <cris.forno@ibm.com>
Reviewed-by: Pradeep Satyanarayana <pradeeps@linux.vnet.ibm.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The 4-tuple NAT offload via PEDIT always overwrites all the 4-tuple
fields even if they had not been explicitly enabled. If any fields in
the 4-tuple are not enabled, then the hardware overwrites the
disabled fields with zeros, instead of ignoring them.
So, add a parser that can translate the enabled 4-tuple PEDIT fields
to one of the NAT mode combinations supported by the hardware and
hence avoid overwriting disabled fields to 0. Any rule with
unsupported NAT mode combination is rejected.
Signed-off-by: Herat Ramani <herat@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The phy_reset_after_clk_enable() is always called with ndev->phydev,
however that pointer may be NULL even though the PHY device instance
already exists and is sufficient to perform the PHY reset.
This condition happens in fec_open(), where the clock must be enabled
first, then the PHY must be reset, and then the PHY IDs can be read
out of the PHY.
If the PHY still is not bound to the MAC, but there is OF PHY node
and a matching PHY device instance already, use the OF PHY node to
obtain the PHY device instance, and then use that PHY device instance
when triggering the PHY reset.
Fixes: 1b0a83ac04e3 ("net: fec: add phy_reset_after_clk_enable() support")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Richard Leitner <richard.leitner@skidata.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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netcons calls napi_poll with a budget of 0 to transmit packets.
Handle this by:
- skipping RX processing
- do not try to recycle TX packets to the RX cache
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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kmalloc returns KSEG0 addresses so convert back from KSEG1
in kfree. Also make sure array is freed when the driver is
unloaded from the kernel.
Fixes: ef11291bcd5f ("Add support the Korina (IDT RC32434) Ethernet MAC")
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Between queuing the delayed work and finishing the setup of the dsa
ports, the process may sleep in request_module() (via
phy_device_create()) and the queued work may be executed prior to the
switch net devices being registered. In ksz_mib_read_work(), a NULL
dereference will happen within netof_carrier_ok(dp->slave).
Not queuing the delayed work in ksz_init_mib_timer() makes things even
worse because the work will now be queued for immediate execution
(instead of 2000 ms) in ksz_mac_link_down() via
dsa_port_link_register_of().
Call tree:
ksz9477_i2c_probe()
\--ksz9477_switch_register()
\--ksz_switch_register()
+--dsa_register_switch()
| \--dsa_switch_probe()
| \--dsa_tree_setup()
| \--dsa_tree_setup_switches()
| +--dsa_switch_setup()
| | +--ksz9477_setup()
| | | \--ksz_init_mib_timer()
| | | |--/* Start the timer 2 seconds later. */
| | | \--schedule_delayed_work(&dev->mib_read, msecs_to_jiffies(2000));
| | \--__mdiobus_register()
| | \--mdiobus_scan()
| | \--get_phy_device()
| | +--get_phy_id()
| | \--phy_device_create()
| | |--/* sleeping, ksz_mib_read_work() can be called meanwhile */
| | \--request_module()
| |
| \--dsa_port_setup()
| +--/* Called for non-CPU ports */
| +--dsa_slave_create()
| | +--/* Too late, ksz_mib_read_work() may be called beforehand */
| | \--port->slave = ...
| ...
| +--Called for CPU port */
| \--dsa_port_link_register_of()
| \--ksz_mac_link_down()
| +--/* mib_read must be initialized here */
| +--/* work is already scheduled, so it will be executed after 2000 ms */
| \--schedule_delayed_work(&dev->mib_read, 0);
\-- /* here port->slave is setup properly, scheduling the delayed work should be safe */
Solution:
1. Do not queue (only initialize) delayed work in ksz_init_mib_timer().
2. Only queue delayed work in ksz_mac_link_down() if init is completed.
3. Queue work once in ksz_switch_register(), after dsa_register_switch()
has completed.
Fixes: 7c6ff470aa86 ("net: dsa: microchip: add MIB counter reading support")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
====================
linux-can-fixes-for-5.9-20201008
The first patch is by Lucas Stach and fixes m_can driver by removing an
erroneous call to m_can_class_suspend() in runtime suspend. Which causes the
pinctrl state to get stuck on the "sleep" state, which breaks all CAN
functionality on SoCs where this state is defined.
The last two patches target the j1939 protocol: Cong Wang fixes a syzbot
finding of an uninitialized variable in the j1939 transport protocol. I
contribute a patch, that fixes the initialization of a same uninitialized
variable in a different function.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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0704c5743694 can: m_can_platform: remove unnecessary m_can_class_resume() call
removed the m_can_class_resume() call in the runtime resume path to get
rid of a infinite recursion, so the runtime resume now only handles the device
clocks.
Unfortunately it did not remove the complementary m_can_class_suspend() call in
the runtime suspend function, so those paths are now unbalanced, which causes
the pinctrl state to get stuck on the "sleep" state, which breaks all CAN
functionality on SoCs where this state is defined. Remove the
m_can_class_suspend() call to fix this.
Fixes: 0704c5743694 can: m_can_platform: remove unnecessary m_can_class_resume() call
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://lore.kernel.org/r/20200811081545.19921-1-l.stach@pengutronix.de
Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Fix comment typo.
s/abitrary/arbitrary/
Signed-off-by: Naoki Hayama <naoki.hayama@lineo.co.jp>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When processing a system suspend request we suspend modem endpoints
if they are enabled, and call ipa_cmd_tag_process() (which issues
IPA commands) to ensure the IPA pipeline is cleared. It is an error
to attempt to issue an IPA command before setup is complete, so this
is clearly a bug. But we also shouldn't suspend or resume any
endpoints that have not been set up.
Have ipa_endpoint_suspend() and ipa_endpoint_resume() immediately
return if setup hasn't completed, to avoid any attempt to configure
endpoints or issue IPA commands in that case.
Fixes: 84f9bd12d46d ("soc: qcom: ipa: IPA endpoints")
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The phy_reset_after_clk_enable() does a PHY reset, which means the PHY
loses its register settings. The fec_enet_mii_probe() starts the PHY
and does the necessary calls to configure the PHY via PHY framework,
and loads the correct register settings into the PHY. Therefore,
fec_enet_mii_probe() should be called only after the PHY has been
reset, not before as it is now.
Fixes: 1b0a83ac04e3 ("net: fec: add phy_reset_after_clk_enable() support")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch changes the module name to "ch_ipsec" and prepends
"ch_ipsec" string instead of "chcr" in all debug messages and
function names.
V1->V2:
-Removed inline keyword from functions.
-Removed CH_IPSEC prefix from pr_debug.
-Used proper indentation for the continuation line of the function
arguments.
V2->V3:
Fix the checkpatch.pl warnings.
Fixes: 1b77be463929 ("crypto/chcr: Moving chelsio's inline ipsec functionality to /drivers/net")
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2020-10-12
Updates to mlx5 driver:
- Cleanup fix of uininitialized pointer read
- xfrm IPSec TX offload
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the TX data path, spot packets with xfrm stack IPsec offload
indication.
Fill Software-Parser segment in TX descriptor so that the hardware
may parse the ESP protocol, and perform TX checksum offload on the
inner payload.
Support GSO, by providing the trailer data and ICV placeholder
so HW can fill it post encryption operation.
Padding alignment cannot be performed in HW (ConnectX-6Dx) due to
a bug. Software can overcome this limitation by adding NETIF_F_HW_ESP to
the gso_partial_features field in netdev so the packets being
aligned by the stack.
l4_inner_checksum cannot be offloaded by HW for IPsec tunnel type packet.
Note that for GSO SKBs, the stack does not include an ESP trailer,
unlike the non-GSO case.
Below is the iperf3 performance report on two server of 24 cores
Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz with ConnectX6-DX.
All the bandwidth test uses iperf3 TCP traffic with packet size 128KB.
Each tunnel uses one iperf3 stream with one thread (option -P1).
TX crypto offload shows improvements on both bandwidth
and CPU utilization.
----------------------------------------------------------------------
Mode | Num tunnel | BW | Send CPU util | Recv CPU util
| | (Gbps) | (Average %) | (Average %)
----------------------------------------------------------------------
Cryto offload | | | |
(RX only) | 1 | 4.7 | 4.2 | 3.5
----------------------------------------------------------------------
Cryto offload | | | |
(RX only) | 24 | 15.6 | 20 | 10
----------------------------------------------------------------------
Non-offload | 1 | 4.6 | 4 | 5
----------------------------------------------------------------------
Non-offload | 24 | 11.9 | 16 | 12
----------------------------------------------------------------------
Cryto offload | | | |
(TX & RX) | 1 | 11.9 | 2.1 | 5.9
----------------------------------------------------------------------
Cryto offload | | | |
(TX & RX) | 24 | 38 | 9.5 | 27.5
----------------------------------------------------------------------
Cryto offload | | | |
(TX only) | 1 | 4.7 | 0.7 | 5
----------------------------------------------------------------------
Cryto offload | | | |
(TX only) | 24 | 14.5 | 6 | 20
Regression tests show no degradation on non-ipsec and
non-offload-ipsec traffics. The packet rate test uses pktgen UDP to
transmit on single CPU, the instructions and cycles are measured on
the transmit CPU.
before:
----------------------------------------------------------------------
Non-offload | 1 | 4.7 | 4.2 | 5.1
----------------------------------------------------------------------
Non-offload | 24 | 11.2 | 14 | 15
----------------------------------------------------------------------
Non-ipsec | 1 | 28 | 4 | 5.7
----------------------------------------------------------------------
Non-ipsec | 24 | 68.3 | 17.8 | 39.7
----------------------------------------------------------------------
Non-ipsec packet rate(BURST=1000 BC=5 NCPUS=1 SIZE=60)
13.56Mpps, 456 instructions/pkt, 191 cycles/pkt
after:
----------------------------------------------------------------------
Non-offload | 1 | 4.69 | 4.2 | 5
----------------------------------------------------------------------
Non-offload | 24 | 11.9 | 13.5 | 15.1
----------------------------------------------------------------------
Non-ipsec | 1 | 29 | 3.2 | 5.5
----------------------------------------------------------------------
Non-ipsec | 24 | 68.2 | 18.5 | 39.8
----------------------------------------------------------------------
Non-ipsec packet rate: 13.56Mpps, 472 instructions/pkt, 191 cycles/pkt
Signed-off-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add new FTE in TX IPsec FT per IPsec state. It has the
same matching criteria as the RX steering rule.
The IPsec FT is created/destroyed when the first/last rule
is added/deleted respectively.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add new namespace that represents the NIC TX domain.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently the error exit path err_free kfree's attr. In the case where
flow and parse_attr failed to be allocated this return path will free
the uninitialized pointer attr, which is not correct. In the other
case where attr fails to allocate attr does not need to be freed. So
in both error exits via err_free attr should not be freed, so remove
it.
Addresses-Coverity: ("Uninitialized pointer read")
Fixes: ff7ea04ad579 ("net/mlx5e: Fix potential null pointer dereference")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The e1000_clear_vfta function was triggering a warning in kbuild-bot
testing. It's actually a bug but has no functional impact.
drivers/net/ethernet/intel/e1000/e1000_hw.c:4415:58: warning: Same expression in both branches of ternary operator. [duplicateExpressionTernary]
Fix this warning by removing the offending code and simplifying
the routine to do exactly what it did before, no functional
change.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Starting with API version 1.10 firmware for X722 devices has ability
to change FEC settings in PHY. Code added in this patch allows
changing FEC settings if the capability flag indicates the device
supports this feature.
Signed-off-by: Jaroslaw Gawin <jaroslawx.gawin@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify the code by using new function dev_fetch_sw_netstats().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/166259f2-084c-45d7-e610-2de2a0bdae06@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify the code by using new function dev_fetch_sw_netstats().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/70ad3e33-8ea6-e12e-31de-5fec7a3c4f6e@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify the code by using new function dev_fetch_sw_netstats().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Link: https://lore.kernel.org/r/2c97b75b-107e-0ab6-d9ef-9f38bb03f495@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify the code by using new function dev_fetch_sw_netstats().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/0d81e0f7-7784-42df-8e10-d0b77ca5b7ee@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allow user configuring RXCSUM separately with ethtool -K,
reusing the existing virtnet_set_guest_offloads helper
that configures RXCSUM for XDP. This is conditional on
VIRTIO_NET_F_CTRL_GUEST_OFFLOADS.
If Rx checksum is disabled, LRO should also be disabled.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20201012015820.62042-1-xiangxia.m.yue@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A helper for checking whether a net_device belongs to mscc_ocelot
already existed and did not need to be rewritten. Use it.
Fixes: 319e4dd11a20 ("net: mscc: ocelot: introduce conversion helpers between port and netdev")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20201011092041.3535101-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The at91rm9200 variant used by a few chips including the MSC313 supports
two Tx descriptors (one frame being serialized and another one queued).
However the driver only implemented a single one, which adds a dead time
after each transfer to receive and process the interrupt and wake the
queue up, preventing from reaching line rate.
This patch implements a very basic 2-deep queue to address this limitation.
The tests run on a Breadbee board equipped with an MSC313E show that at
1 GHz, HTTP traffic on medium-sized objects (45kB) was limited to exactly
50 Mbps before this patch, and jumped to 76 Mbps with this patch. And tests
on a single TCP stream with an MTU of 576 jump from 10kpps to 15kpps. With
1500 byte packets it's now possible to reach line rate versus 75 Mbps
before.
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20201011090944.10607-4-w@1wt.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The RM9200 supports one frame being sent while another one is waiting in
queue. This avoids the dead time that follows the emission of a frame
and which prevents one from reaching line speed.
Right now the driver supports only a single skb, so we'll first replace
the rm9200-specific skb info with an array of two macb_tx_skb (already
used by other drivers). This patch only moves the skb_length to
txq[0].size and skb_physaddr to skb[0].mapping but doesn't perform any
other change. It already uses [desc] in order to minimize future changes.
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20201011090944.10607-3-w@1wt.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Transmit Buffer Register Empty replaces TXERR on RM9200 and signals the
sender may try to send again becase the last queued frame is no longer
in queue (being transmitted or already transmitted).
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20201011090944.10607-2-w@1wt.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Alexei Starovoitov says:
====================
pull-request: bpf-next 2020-10-12
The main changes are:
1) The BPF verifier improvements to track register allocation pattern, from Alexei and Yonghong.
2) libbpf relocation support for different size load/store, from Andrii.
3) bpf_redirect_peer() helper and support for inner map array with different max_entries, from Daniel.
4) BPF support for per-cpu variables, form Hao.
5) sockmap improvements, from John.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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