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Pull networking fixes from David Miller:
"First batch of fixes in the new merge window:
1) Double dst_cache free in act_tunnel_key, from Wenxu.
2) Avoid NULL deref in IN_DEV_MFORWARD() by failing early in the
ip_route_input_rcu() path, from Paolo Abeni.
3) Fix appletalk compile regression, from Arnd Bergmann.
4) If SLAB objects reach the TCP sendpage method we are in serious
trouble, so put a debugging check there. From Vasily Averin.
5) Memory leak in hsr layer, from Mao Wenan.
6) Only test GSO type on GSO packets, from Willem de Bruijn.
7) Fix crash in xsk_diag_put_umem(), from Eric Dumazet.
8) Fix VNIC mailbox length in nfp, from Dirk van der Merwe.
9) Fix race in ipv4 route exception handling, from Xin Long.
10) Missing DMA memory barrier in hns3 driver, from Jian Shen.
11) Use after free in __tcf_chain_put(), from Vlad Buslov.
12) Handle inet_csk_reqsk_queue_add() failures, from Guillaume Nault.
13) Return value correction when ip_mc_may_pull() fails, from Eric
Dumazet.
14) Use after free in x25_device_event(), also from Eric"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (72 commits)
gro_cells: make sure device is up in gro_cells_receive()
vxlan: test dev->flags & IFF_UP before calling gro_cells_receive()
net/x25: fix use-after-free in x25_device_event()
isdn: mISDNinfineon: fix potential NULL pointer dereference
net: hns3: fix to stop multiple HNS reset due to the AER changes
ip: fix ip_mc_may_pull() return value
net: keep refcount warning in reqsk_free()
net: stmmac: Avoid one more sometimes uninitialized Clang warning
net: dsa: mv88e6xxx: Set correct interface mode for CPU/DSA ports
rxrpc: Fix client call queueing, waiting for channel
tcp: handle inet_csk_reqsk_queue_add() failures
net: ethernet: sun: Zero initialize class in default case in niu_add_ethtool_tcam_entry
8139too : Add support for U.S. Robotics USR997901A 10/100 Cardbus NIC
fou, fou6: avoid uninit-value in gue_err() and gue6_err()
net: sched: fix potential use-after-free in __tcf_chain_put()
vhost: silence an unused-variable warning
vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock
connector: fix unsafe usage of ->real_parent
vxlan: do not need BH again in vxlan_cleanup()
net: hns3: add dma_rmb() for rx description
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Same reasons than the ones explained in commit 4179cb5a4c92
("vxlan: test dev->flags & IFF_UP before calling netif_rx()")
netif_rx() or gro_cells_receive() must be called under a strict contract.
At device dismantle phase, core networking clears IFF_UP
and flush_all_backlogs() is called after rcu grace period
to make sure no incoming packet might be in a cpu backlog
and still referencing the device.
A similar protocol is used for gro_cells infrastructure, as
gro_cells_destroy() will be called only after a full rcu
grace period is observed after IFF_UP has been cleared.
Most drivers call netif_rx() from their interrupt handler,
and since the interrupts are disabled at device dismantle,
netif_rx() does not have to check dev->flags & IFF_UP
Virtual drivers do not have this guarantee, and must
therefore make the check themselves.
Otherwise we risk use-after-free and/or crashes.
Fixes: d342894c5d2f ("vxlan: virtual extensible lan")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit bfcb79fca19d
("PCI/ERR: Run error recovery callbacks for all affected devices")
affected the non-fatal error recovery logic for the HNS and RDMA devices.
This is because each HNS PF under PCIe bus receive callbacks
from the AER driver when an error is reported for one of the PF.
This causes unwanted PF resets because
the HNS decides which PF to reset based on the reset type set.
The HNS error handling code sets the reset type based on the hw error
type detected.
This patch provides fix for the above issue for the recovery of
the hw errors in the HNS and RDMA devices.
This patch needs backporting to the kernel v5.0+
Fixes: 332fbf576579 ("net: hns3: add handling of hw ras errors using new set of commands")
Reported-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull rdma updates from Jason Gunthorpe:
"This has been a slightly more active cycle than normal with ongoing
core changes and quite a lot of collected driver updates.
- Various driver fixes for bnxt_re, cxgb4, hns, mlx5, pvrdma, rxe
- A new data transfer mode for HFI1 giving higher performance
- Significant functional and bug fix update to the mlx5
On-Demand-Paging MR feature
- A chip hang reset recovery system for hns
- Change mm->pinned_vm to an atomic64
- Update bnxt_re to support a new 57500 chip
- A sane netlink 'rdma link add' method for creating rxe devices and
fixing the various unregistration race conditions in rxe's
unregister flow
- Allow lookup up objects by an ID over netlink
- Various reworking of the core to driver interface:
- drivers should not assume umem SGLs are in PAGE_SIZE chunks
- ucontext is accessed via udata not other means
- start to make the core code responsible for object memory
allocation
- drivers should convert struct device to struct ib_device via a
helper
- drivers have more tools to avoid use after unregister problems"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (280 commits)
net/mlx5: ODP support for XRC transport is not enabled by default in FW
IB/hfi1: Close race condition on user context disable and close
RDMA/umem: Revert broken 'off by one' fix
RDMA/umem: minor bug fix in error handling path
RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp
cxgb4: kfree mhp after the debug print
IB/rdmavt: Fix concurrency panics in QP post_send and modify to error
IB/rdmavt: Fix loopback send with invalidate ordering
IB/iser: Fix dma_nents type definition
IB/mlx5: Set correct write permissions for implicit ODP MR
bnxt_re: Clean cq for kernel consumers only
RDMA/uverbs: Don't do double free of allocated PD
RDMA: Handle ucontext allocations by IB/core
RDMA/core: Fix a WARN() message
bnxt_re: fix the regression due to changes in alloc_pbl
IB/mlx4: Increase the timeout for CM cache
IB/core: Abort page fault handler silently during owning process exit
IB/mlx5: Validate correct PD before prefetch MR
IB/mlx5: Protect against prefetch of invalid MR
RDMA/uverbs: Store PR pointer before it is overwritten
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- Use match_string() instead of reimplementing it (Andy Shevchenko)
- Enable SERR# forwarding for all bridges (Bharat Kumar Gogada)
- Use Latency Tolerance Reporting if already enabled by platform (Bjorn
Helgaas)
- Save/restore LTR info for suspend/resume (Bjorn Helgaas)
- Fix DPC use of uninitialized data (Dongdong Liu)
- Probe bridge window attributes only once at enumeration-time to fix
device accesses during rescan (Bjorn Helgaas)
- Return BAR size (not "size -1 ") from pci_size() to simplify code (Du
Changbin)
- Use config header type (not class code) identify bridges more
reliably (Honghui Zhang)
- Work around Intel Denverton incorrect Trace Hub BAR size reporting
(Alexander Shishkin)
- Reorder pciehp cached state/hardware state updates to avoid missed
interrupts (Mika Westerberg)
- Turn ibmphp semaphores into completions or mutexes (Arnd Bergmann)
- Mark expected switch fall-through (Mathieu Malaterre)
- Use of_node_name_eq() for node name comparisons (Rob Herring)
- Add ACS and pciehp quirks for HXT SD4800 (Shunyong Yang)
- Consolidate Rohm Vendor ID definitions (Andy Shevchenko)
- Use u32 (not __u32) for things not exposed to userspace (Logan
Gunthorpe)
- Fix locking semantics of bus and slot reset interfaces (Alex
Williamson)
- Update PCIEPORTBUS Kconfig help text (Hou Zhiqiang)
- Allow portdrv to claim subtractive decode Ports so PCIe services will
work for them (Honghui Zhang)
- Report PCIe links that become degraded at run-time (Alexandru
Gagniuc)
- Blacklist Gigabyte X299 Root Port power management to fix Thunderbolt
hotplug (Mika Westerberg)
- Revert runtime PM suspend/resume callbacks that broke PME on network
cable plug (Mika Westerberg)
- Disable Data Link State Changed interrupts to prevent wakeup
immediately after suspend (Mika Westerberg)
- Extend altera to support Stratix 10 (Ley Foon Tan)
- Allow building altera driver on ARM64 (Ley Foon Tan)
- Replace Douglas with Tom Joseph as Cadence PCI host/endpoint
maintainer (Lorenzo Pieralisi)
- Add DT support for R-Car RZ/G2E (R8A774C0) (Fabrizio Castro)
- Add dra72x/dra74x/dra76x SoC compatible strings (Kishon Vijay Abraham I)
- Enable x2 mode support for dra72x/dra74x/dra76x SoC (Kishon Vijay
Abraham I)
- Configure dra7xx PHY to PCIe mode (Kishon Vijay Abraham I)
- Simplify dwc (remove unnecessary header includes, name variables
consistently, reduce inverted logic, etc) (Gustavo Pimentel)
- Add i.MX8MQ support (Andrey Smirnov)
- Add message to help debug dwc MSI-X mask bit errors (Gustavo
Pimentel)
- Work around imx7d PCIe PLL erratum (Trent Piepho)
- Don't assert qcom reset GPIO during probe (Bjorn Andersson)
- Skip dwc MSI init if MSIs have been disabled (Lucas Stach)
- Use memcpy_fromio()/memcpy_toio() instead of plain memcpy() in PCI
endpoint framework (Wen Yang)
- Add interface to discover supported endpoint features to replace a
bitfield that wasn't flexible enough (Kishon Vijay Abraham I)
- Implement the new supported-feature interface for designware-plat,
dra7xx, rockchip, cadence (Kishon Vijay Abraham I)
- Fix issues with 64-bit BAR in endpoints (Kishon Vijay Abraham I)
- Add layerscape endpoint mode support (Xiaowei Bao)
- Remove duplicate struct hv_vp_set in favor of struct hv_vpset (Maya
Nakamura)
- Rework hv_irq_unmask() to use cpumask_to_vpset() instead of
open-coded reimplementation (Maya Nakamura)
- Align Hyper-V struct retarget_msi_interrupt arguments (Maya Nakamura)
- Fix mediatek MMIO size computation to enable full size of available
MMIO space (Honghui Zhang)
- Fix mediatek DMA window size computation to allow endpoint DMA access
to full DRAM address range (Honghui Zhang)
- Fix mvebu prefetchable BAR regression caused by common bridge
emulation that assumed all bridges had prefetchable windows (Thomas
Petazzoni)
- Make advk_pci_bridge_emul_ops static (Wei Yongjun)
- Configure MPS settings for VMD root ports (Jon Derrick)
* tag 'pci-v5.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (92 commits)
PCI: Update PCIEPORTBUS Kconfig help text
PCI: Fix "try" semantics of bus and slot reset
PCI/LINK: Report degraded links via link bandwidth notification
dt-bindings: PCI: altera: Add altr,pcie-root-port-2.0
PCI: altera: Enable driver on ARM64
PCI: altera: Add Stratix 10 PCIe support
PCI/PME: Fix possible use-after-free on remove
PCI: aardvark: Make symbol 'advk_pci_bridge_emul_ops' static
PCI: dwc: skip MSI init if MSIs have been explicitly disabled
PCI: hv: Refactor hv_irq_unmask() to use cpumask_to_vpset()
PCI: hv: Replace hv_vp_set with hv_vpset
PCI: hv: Add __aligned(8) to struct retarget_msi_interrupt
PCI: mediatek: Enlarge PCIe2AHB window size to support 4GB DRAM
PCI: mediatek: Fix memory mapped IO range size computation
PCI: dwc: Remove superfluous shifting in definitions
PCI: dwc: Make use of GENMASK/FIELD_PREP
PCI: dwc: Make use of BIT() in constant definitions
PCI: dwc: Share code for dw_pcie_rd/wr_other_conf()
PCI: dwc: Make use of IS_ALIGNED()
PCI: imx6: Add code to request/control "pcie_aux" clock for i.MX8MQ
...
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When building with -Wsometimes-uninitialized, Clang warns:
drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c:111:2: error: variable
'ns' is used uninitialized whenever 'if' condition is false
[-Werror,-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c:111:2: error: variable
'ns' is used uninitialized whenever '&&' condition is false
[-Werror,-Wsometimes-uninitialized]
Clang is concerned with the use of stmmac_do_void_callback (which
stmmac_get_systime wraps), as it may fail to initialize these values if
the if condition was ever false (meaning the callback doesn't exist).
It's not wrong because the callback is what initializes ns. While it's
unlikely that the callback is going to disappear at some point and make
that condition false, we can easily avoid this warning by zero
initializing the variable.
Link: https://github.com/ClangBuiltLinux/linux/issues/384
Fixes: df103170854e ("net: stmmac: Avoid sometimes uninitialized Clang warnings")
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By default, the switch driver is expected to configure CPU and DSA
ports to their maximum speed. For the 6341 and 6390 families, the
ports interface mode has to be configured as well. The 6390X range
support 10G ports using XAUI, while the 6341 and 6390 supports
2500BaseX, as their maximum speed.
Fixes: 787799a9d555 ("net: dsa: mv88e6xxx: Default ports 9/10 6390X CMODE to 1000BaseX")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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niu_add_ethtool_tcam_entry
When building with -Wsometimes-uninitialized, Clang warns:
drivers/net/ethernet/sun/niu.c:7466:5: warning: variable 'class' is used
uninitialized whenever switch default is taken
[-Wsometimes-uninitialized]
The default case can never happen because i can only be 0 to 3
(NIU_L3_PROG_CLS is defined as 4). To make this clear to Clang,
just zero initialize class in the default case (use the macro
CLASS_CODE_UNRECOG to make it clear this shouldn't happen).
Link: https://github.com/ClangBuiltLinux/linux/issues/403
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add PCI vendor and device identifier for U.S. Robotics USR997901A
10/100 Cardbus NIC. Tested on real hardware.
Signed-off-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vxlan_cleanup() is a timer callback, it is already
and only running in BH context.
Signed-off-by: Litao Jiao <jiaolitao@raisecom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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HW can not guarantee complete write desc->rx.size, even though
HNS3_RXD_VLD_B has been set. Driver needs to add dma_rmb()
instruction to make sure desc->rx.size is always valid.
Fixes: e55970950556 ("net: hns3: Add handling of GRO Pkts not fully RX'ed in NAPI poll")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In Documentation stmmac.txt there is possibility to
fixed CSR Clock range selection with property clk_csr.
This patch add the management of this property
For example to use it, add in your ethernet node DT:
clk_csr = <3>;
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update glue codes to support all PHY config on stm32mp157c
PHY_MODE (MII,GMII, RMII, RGMII) and in normal, PHY wo crystal (25Mhz),
PHY wo crystal (50Mhz), No 125Mhz from PHY config.
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add glue codes to support magic packet on stm32mp157c
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we receive a packet while deleting a VXLAN device, there's a chance
vxlan_rcv() is called at the same time as vxlan_dellink(). This is fine,
except that vxlan_dellink() should never ever touch stuff that's still in
use, such as the GRO cells list.
Otherwise, vxlan_rcv() crashes while queueing packets via
gro_cells_receive().
Move the gro_cells_destroy() to vxlan_uninit(), which runs after the RCU
grace period is elapsed and nothing needs the gro_cells anymore.
This is now done in the same way as commit 8e816df87997 ("geneve: Use GRO
cells infrastructure.") originally implemented for GENEVE.
Reported-by: Jianlin Shi <jishi@redhat.com>
Fixes: 58ce31cca1ff ("vxlan: GRO support at tunnel layer")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Notable changes:
- Enable THREAD_INFO_IN_TASK to move thread_info off the stack.
- A big series from Christoph reworking our DMA code to use more of
the generic infrastructure, as he said:
"This series switches the powerpc port to use the generic swiotlb
and noncoherent dma ops, and to use more generic code for the
coherent direct mapping, as well as removing a lot of dead
code."
- Increase our vmalloc space to 512T with the Hash MMU on modern
CPUs, allowing us to support machines with larger amounts of total
RAM or distance between nodes.
- Two series from Christophe, one to optimise TLB miss handlers on
6xx, and another to optimise the way STRICT_KERNEL_RWX is
implemented on some 32-bit CPUs.
- Support for KCOV coverage instrumentation which means we can run
syzkaller and discover even more bugs in our code.
And as always many clean-ups, reworks and minor fixes etc.
Thanks to: Alan Modra, Alexey Kardashevskiy, Alistair Popple, Andrea
Arcangeli, Andrew Donnellan, Aneesh Kumar K.V, Aravinda Prasad, Balbir
Singh, Brajeswar Ghosh, Breno Leitao, Christian Lamparter, Christian
Zigotzky, Christophe Leroy, Christoph Hellwig, Corentin Labbe, Daniel
Axtens, David Gibson, Diana Craciun, Firoz Khan, Gustavo A. R. Silva,
Igor Stoppa, Joe Lawrence, Joel Stanley, Jonathan Neuschäfer, Jordan
Niethe, Laurent Dufour, Madhavan Srinivasan, Mahesh Salgaonkar, Mark
Cave-Ayland, Masahiro Yamada, Mathieu Malaterre, Matteo Croce, Meelis
Roos, Michael W. Bringmann, Nathan Chancellor, Nathan Fontenot,
Nicholas Piggin, Nick Desaulniers, Nicolai Stange, Oliver O'Halloran,
Paul Mackerras, Peter Xu, PrasannaKumar Muralidharan, Qian Cai,
Rashmica Gupta, Reza Arbab, Robert P. J. Day, Russell Currey,
Sabyasachi Gupta, Sam Bobroff, Sandipan Das, Sergey Senozhatsky,
Souptick Joarder, Stewart Smith, Tyrel Datwyler, Vaibhav Jain,
YueHaibing"
* tag 'powerpc-5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (200 commits)
powerpc/32: Clear on-stack exception marker upon exception return
powerpc: Remove export of save_stack_trace_tsk_reliable()
powerpc/mm: fix "section_base" set but not used
powerpc/mm: Fix "sz" set but not used warning
powerpc/mm: Check secondary hash page table
powerpc: remove nargs from __SYSCALL
powerpc/64s: Fix unrelocated interrupt trampoline address test
powerpc/powernv/ioda: Fix locked_vm counting for memory used by IOMMU tables
powerpc/fsl: Fix the flush of branch predictor.
powerpc/powernv: Make opal log only readable by root
powerpc/xmon: Fix opcode being uninitialized in print_insn_powerpc
powerpc/powernv: move OPAL call wrapper tracing and interrupt handling to C
powerpc/64s: Fix data interrupts vs d-side MCE reentrancy
powerpc/64s: Prepare to handle data interrupts vs d-side MCE reentrancy
powerpc/64s: system reset interrupt preserve HSRRs
powerpc/64s: Fix HV NMI vs HV interrupt recoverability test
powerpc/mm/hash: Handle mmap_min_addr correctly in get_unmapped_area topdown search
powerpc/hugetlb: Handle mmap_min_addr correctly in get_unmapped_area callback
selftests/powerpc: Remove duplicate header
powerpc sstep: Add support for modsd, modud instructions
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The simple vNIC mailbox length should be 12 decimal and not 0x12.
Using a decimal also makes it clear this is a length value and not
another field within the simple mailbox defines.
Found by code inspection, there are no known firmware configurations
where this would cause issues.
Fixes: 527d7d1b9949 ("nfp: read mailbox address from TLV caps")
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When building with -Wsometimes-uninitialized, Clang warns:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:495:3: warning: variable 'ns' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:495:3: warning: variable 'ns' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:532:3: warning: variable 'ns' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:532:3: warning: variable 'ns' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:741:3: warning: variable 'sec_inc' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:741:3: warning: variable 'sec_inc' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
Clang is concerned with the use of stmmac_do_void_callback (which
stmmac_get_timestamp and stmmac_config_sub_second_increment wrap),
as it may fail to initialize these values if the if condition was ever
false (meaning the callbacks don't exist). It's not wrong because the
callbacks (get_timestamp and config_sub_second_increment respectively)
are the ones that initialize the variables. While it's unlikely that the
callbacks are ever going to disappear and make that condition false, we
can easily avoid this warning by zero initialize the variables.
Link: https://github.com/ClangBuiltLinux/linux/issues/384
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver uses port-mtu as packet-size for the loopback traffic. This patch
limits the max packet size to 1.5K to avoid data being split over multiple
buffer descriptors (BDs) in cases where MTU > PAGE_SIZE.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The enic driver relies on the CONFIG_CPUMASK_OFFSTACK feature to
dynamically allocate a struct member, but this is normally intended for
local variables.
Building with clang, I get a warning for a few locations that check the
address of the cpumask_var_t:
drivers/net/ethernet/cisco/enic/enic_main.c:122:22: error: address of array 'enic->msix[i].affinity_mask' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
As far as I can tell, the code is still correct, as the truth value of
the pointer is what we need in this configuration. To get rid of
the warning, use cpumask_available() instead of checking the
pointer directly.
Fixes: 322cf7e3a4e8 ("enic: assign affinity hint to interrupts")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang points out undefined behavior when building the pcan_usb_pro driver:
drivers/net/can/usb/peak_usb/pcan_usb_pro.c:136:15: error: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Werror,-Wvarargs]
Changing the function prototype to avoid argument promotion in the
varargs call avoids the warning, and should make this well-defined.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hardware has the CBS (Credit Based Shaper) which affects only Q3
and Q2. When updating the CBS settings, even if the driver does so
after waiting for Tx DMA finished, there is a possibility that frame
data still remains in TxFIFO.
To avoid this, decrease TxFIFO depth of Q3 and Q2 to one.
This patch has been exercised this using netperf TCP_MAERTS, TCP_STREAM
and UDP_STREAM tests run on an Ebisu board. No performance change was
detected, outside of noise in the tests, both in terms of throughput and
CPU utilisation.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Masaru Nagai <masaru.nagai.vx@renesas.com>
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[simon: updated changelog]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clang warns about what seems to be an unintended use of an obscure C
language feature where a forward declaration of an array remains usable
when the final definition is never seen:
drivers/net/ethernet/ti/davinci_emac.c:1694:34: error: tentative array definition assumed to have one element [-Werror]
static const struct of_device_id davinci_emac_of_match[];
There is no harm in always enabling the device tree matching code here,
and it makes the code behave in a more conventional way aside from
avoiding the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ODP support for XRC transport is not enabled by default in FW, so we need
separate ODP checks to enable/disable it.
While that, rewrite the set of ODP SRQ support capabilities in way that
tests each field separately for clearness, which is not needed for current
FW, but better to have it separated.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Merge misc updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (159 commits)
tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include
proc: more robust bulk read test
proc: test /proc/*/maps, smaps, smaps_rollup, statm
proc: use seq_puts() everywhere
proc: read kernel cpu stat pointer once
proc: remove unused argument in proc_pid_lookup()
fs/proc/thread_self.c: code cleanup for proc_setup_thread_self()
fs/proc/self.c: code cleanup for proc_setup_self()
proc: return exit code 4 for skipped tests
mm,mremap: bail out earlier in mremap_to under map pressure
mm/sparse: fix a bad comparison
mm/memory.c: do_fault: avoid usage of stale vm_area_struct
writeback: fix inode cgroup switching comment
mm/huge_memory.c: fix "orig_pud" set but not used
mm/hotplug: fix an imbalance with DEBUG_PAGEALLOC
mm/memcontrol.c: fix bad line in comment
mm/cma.c: cma_declare_contiguous: correct err handling
mm/page_ext.c: fix an imbalance with kmemleak
mm/compaction: pass pgdat to too_many_isolated() instead of zone
mm: remove zone_lru_lock() function, access ->lru_lock directly
...
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Pull ARM SoC late updates from Arnd Bergmann:
"Here are two branches that came relatively late during the linux-5.0
development cycle and have dependencies on the other branches:
- On the TI OMAP platform, the CPSW Ethernet PHY mode selection
driver is being replaced, this puts the final pieces in place
- On the DaVinci platform, the interrupt handling code in arch/arm
gets moved into a regular device driver in drivers/irqchip.
Since they both had some time in linux-next after the 5.0-rc8 release,
I'm sending them along with the other updates"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
net: ethernet: ti: cpsw: deprecate cpsw-phy-sel driver
ARM: davinci: remove intc related fields from davinci_soc_info
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
ARM: davinci: cp-intc: remove redundant comments
ARM: davinci: cp-intc: drop GPL license boilerplate
ARM: davinci: cp-intc: use readl/writel_relaxed()
ARM: davinci: cp-intc: unify error handling
ARM: davinci: cp-intc: improve coding style
ARM: davinci: cp-intc: request the memory region before remapping it
ARM: davinci: cp-intc: use the new-style config structure
ARM: davinci: cp-intc: convert all hex numbers to lowercase
ARM: davinci: cp-intc: use a common prefix for all symbols
ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
irqchip: davinci-cp-intc: add a new config structure
ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
ARM: davinci: cp-intc: remove cp_intc.h
irqchip: davinci-aintc: move the driver to drivers/irqchip
ARM: davinci: aintc: remove unnecessary includes
ARM: davinci: aintc: remove the timer-specific irq_set_handler()
ARM: davinci: aintc: request memory region before remapping it
...
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There were a couple logical ORs accidentally mixed in with the bitwise
ORs.
Fixes: e8149933b1fa ("net: hns3: remove hnae3_get_bit in data path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, the drivers/tee and drivers/reset subsystems get merged
here, with the expected set of smaller updates and some new hardware
support. The tee subsystem now supports device drivers to be attached
to a tee, the first example here is a random number driver with its
implementation in the secure world.
Three new power domain drivers get added for specific chip families:
- Broadcom BCM283x chips (used in Raspberry Pi)
- Qualcomm Snapdragon phone chips
- Xilinx ZynqMP FPGA SoCs
One new driver is added to talk to the BPMP firmware on NVIDIA
Tegra210
Existing drivers are extended for new SoC variants from NXP, NVIDIA,
Amlogic and Qualcomm"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (113 commits)
tee: optee: update optee_msg.h and optee_smc.h to dual license
tee: add cancellation support to client interface
dpaa2-eth: configure the cache stashing amount on a queue
soc: fsl: dpio: configure cache stashing destination
soc: fsl: dpio: enable frame data cache stashing per software portal
soc: fsl: guts: make fsl_guts_get_svr() static
hwrng: make symbol 'optee_rng_id_table' static
tee: optee: Fix unsigned comparison with less than zero
hwrng: Fix unsigned comparison with less than zero
tee: fix possible error pointer ctx dereferencing
hwrng: optee: Initialize some structs using memset instead of braces
tee: optee: Initialize some structs using memset instead of braces
soc: fsl: dpio: fix memory leak of a struct qbman on error exit path
clk: tegra: dfll: Make symbol 'tegra210_cpu_cvb_tables' static
soc: qcom: llcc-slice: Fix typos
qcom: soc: llcc-slice: Consolidate some code
qcom: soc: llcc-slice: Clear the global drv_data pointer on error
drivers: soc: xilinx: Add ZynqMP power domain driver
firmware: xilinx: Add APIs to control node status/power
dt-bindings: power: Add ZynqMP power domain bindings
...
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Patch series "Replace all open encodings for NUMA_NO_NODE", v3.
All these places for replacement were found by running the following
grep patterns on the entire kernel code. Please let me know if this
might have missed some instances. This might also have replaced some
false positives. I will appreciate suggestions, inputs and review.
1. git grep "nid == -1"
2. git grep "node == -1"
3. git grep "nid = -1"
4. git grep "node = -1"
This patch (of 2):
At present there are multiple places where invalid node number is
encoded as -1. Even though implicitly understood it is always better to
have macros in there. Replace these open encodings for an invalid node
number with the global macro NUMA_NO_NODE. This helps remove NUMA
related assumptions like 'invalid node' from various places redirecting
them to a common definition.
Link: http://lkml.kernel.org/r/1545127933-10711-2-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> [ixgbe]
Acked-by: Jens Axboe <axboe@kernel.dk> [mtip32xx]
Acked-by: Vinod Koul <vkoul@kernel.org> [dmaengine.c]
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Acked-by: Doug Ledford <dledford@redhat.com> [drivers/infiniband]
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Add helper for simple skcipher modes.
- Add helper to register multiple templates.
- Set CRYPTO_TFM_NEED_KEY when setkey fails.
- Require neither or both of export/import in shash.
- AEAD decryption test vectors are now generated from encryption
ones.
- New option CONFIG_CRYPTO_MANAGER_EXTRA_TESTS that includes random
fuzzing.
Algorithms:
- Conversions to skcipher and helper for many templates.
- Add more test vectors for nhpoly1305 and adiantum.
Drivers:
- Add crypto4xx prng support.
- Add xcbc/cmac/ecb support in caam.
- Add AES support for Exynos5433 in s5p.
- Remove sha384/sha512 from artpec7 as hardware cannot do partial
hash"
[ There is a merge of the Freescale SoC tree in order to pull in changes
required by patches to the caam/qi2 driver. ]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (174 commits)
crypto: s5p - add AES support for Exynos5433
dt-bindings: crypto: document Exynos5433 SlimSSS
crypto: crypto4xx - add missing of_node_put after of_device_is_available
crypto: cavium/zip - fix collision with generic cra_driver_name
crypto: af_alg - use struct_size() in sock_kfree_s()
crypto: caam - remove redundant likely/unlikely annotation
crypto: s5p - update iv after AES-CBC op end
crypto: x86/poly1305 - Clear key material from stack in SSE2 variant
crypto: caam - generate hash keys in-place
crypto: caam - fix DMA mapping xcbc key twice
crypto: caam - fix hash context DMA unmap size
hwrng: bcm2835 - fix probe as platform device
crypto: s5p-sss - Use AES_BLOCK_SIZE define instead of number
crypto: stm32 - drop pointless static qualifier in stm32_hash_remove()
crypto: chelsio - Fixed Traffic Stall
crypto: marvell - Remove set but not used variable 'ivsize'
crypto: ccp - Update driver messages to remove some confusion
crypto: adiantum - add 1536 and 4096-byte test vectors
crypto: nhpoly1305 - add a test vector with len % 16 != 0
crypto: arm/aes-ce - update IV after partial final CTR block
...
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MDIO_BUS_MUX can only be selected if OF_MDIO is already turned on:
WARNING: unmet direct dependencies detected for MDIO_BUS_MUX
Depends on [n]: NETDEVICES [=y] && MDIO_BUS [=m] && OF_MDIO [=n]
Selected by [m]:
- MDIO_BUS_MUX_MULTIPLEXER [=m] && NETDEVICES [=y] && MDIO_BUS [=m] && OF [=y]
Fixes: 7865ad6551c9 ("drivers: net: phy: mdio-mux: Add support for Generic Mux controls")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As can be seen from the usage of the return value, we should use
phy_modify_mmd_changed() here.
Fixes: 9a5dc8af4416 ("net: phy: add genphy_c45_an_config_aneg")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DSA framework
In the original patch I missed to add mv88e6xxx_ports_cmode_init()
to the second probe function, the one for the new DSA framework.
Fixes: ed8fe20205ac ("net: dsa: mv88e6xxx: prevent interrupt storm caused by mv88e6390x_port_set_cmode")
Reported-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some sky2 chips fire IRQ after S3, before the driver is fully resumed:
[ 686.804877] do_IRQ: 1.37 No irq handler for vector
This is likely a platform bug that device isn't fully quiesced during
S3. Use MSI-X, maskable MSI or INTx can prevent this issue from
happening.
Since MSI-X and maskable MSI are not supported by this device, fallback
to use INTx on affected platforms.
BugLink: https://bugs.launchpad.net/bugs/1807259
BugLink: https://bugs.launchpad.net/bugs/1809843
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Once channels were successfully opened, update tx reporter health state to
healthy. This is needed for the following scenario:
- SQ has an un-recovered error reported to the devlink health, resulting tx
reporter state to be error.
- Current channels (including this SQ) are closed
- New channels are opened
After that flow, the original error was "solved", and tx reporter state
should be healthy. However, as it was resolved as a side effect, and not
via tx reporter recover method, driver needs to inform devlink health
about it.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When team is used in loadbalance mode a BPF filter can be used to
provide a hash which will determine the Tx port.
When the netdev is later unregistered the filter is not freed which
results in memory leaks [1].
Fix by freeing the program and the corresponding filter when
unregistering the netdev.
[1]
unreferenced object 0xffff8881dbc47cc8 (size 16):
comm "teamd", pid 3068, jiffies 4294997779 (age 438.247s)
hex dump (first 16 bytes):
a3 00 6b 6b 6b 6b 6b 6b 88 a5 82 e1 81 88 ff ff ..kkkkkk........
backtrace:
[<000000008a3b47e3>] team_nl_cmd_options_set+0x88f/0x11b0
[<00000000c4f4f27e>] genl_family_rcv_msg+0x78f/0x1080
[<00000000610ef838>] genl_rcv_msg+0xca/0x170
[<00000000a281df93>] netlink_rcv_skb+0x132/0x380
[<000000004d9448a2>] genl_rcv+0x29/0x40
[<000000000321b2f4>] netlink_unicast+0x4c0/0x690
[<000000008c25dffb>] netlink_sendmsg+0x929/0xe10
[<00000000068298c5>] sock_sendmsg+0xc8/0x110
[<0000000082a61ff0>] ___sys_sendmsg+0x77a/0x8f0
[<00000000663ae29d>] __sys_sendmsg+0xf7/0x250
[<0000000027c5f11a>] do_syscall_64+0x14d/0x610
[<000000006cfbc8d3>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<00000000e23197e2>] 0xffffffffffffffff
unreferenced object 0xffff8881e182a588 (size 2048):
comm "teamd", pid 3068, jiffies 4294997780 (age 438.247s)
hex dump (first 32 bytes):
20 00 00 00 02 00 00 00 30 00 00 00 28 f0 ff ff .......0...(...
07 00 00 00 00 00 00 00 28 00 00 00 00 00 00 00 ........(.......
backtrace:
[<000000002daf01fb>] lb_bpf_func_set+0x45c/0x6d0
[<000000008a3b47e3>] team_nl_cmd_options_set+0x88f/0x11b0
[<00000000c4f4f27e>] genl_family_rcv_msg+0x78f/0x1080
[<00000000610ef838>] genl_rcv_msg+0xca/0x170
[<00000000a281df93>] netlink_rcv_skb+0x132/0x380
[<000000004d9448a2>] genl_rcv+0x29/0x40
[<000000000321b2f4>] netlink_unicast+0x4c0/0x690
[<000000008c25dffb>] netlink_sendmsg+0x929/0xe10
[<00000000068298c5>] sock_sendmsg+0xc8/0x110
[<0000000082a61ff0>] ___sys_sendmsg+0x77a/0x8f0
[<00000000663ae29d>] __sys_sendmsg+0xf7/0x250
[<0000000027c5f11a>] do_syscall_64+0x14d/0x610
[<000000006cfbc8d3>] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[<00000000e23197e2>] 0xffffffffffffffff
Fixes: 01d7f30a9f96 ("team: add loadbalance mode")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PHYs
If an external PHY is connected via SGMII and uses in-band signalling
then the auto-negotiated values aren't propagated to the port,
resulting in a broken link. See discussion in [0]. This patch adds
this propagation. We need to call mv88e6xxx_port_setup_mac(),
therefore export it from chip.c.
Successfully tested on a ZII DTU with 88E6390 switch and an
Aquantia AQCS109 PHY connected via SGMII to port 9.
[0] https://marc.info/?t=155130287200001&r=1&w=2
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some of these macros were conflicting with global namespace,
hence prefixing them with CXGB4.
Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend initialization flow by query requests for chip resources data in
order to obtain chip's specific capabilities, like the number of ports.
Signed-off-by: Vadim Pasternak <vadimp@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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Extend input parameters list of command API in mlxsw_i2c_cmd() in order
to support initialization commands. Up until now, only access commands
were supported by I2C driver.
Signed-off-by: Vadim Pasternak <vadimp@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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Change input parameter name "resource" to "res" in mlxsw_i2c_init() in
order to align it with mlxsw_pci_init().
Signed-off-by: Vadim Pasternak <vadimp@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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Fix comment for mlxsw_i2c_write_cmd().
Signed-off-by: Vadim Pasternak <vadimp@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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Move mlxsw_pci_resources_query() to a common location to allow reuse by
the different drivers and over all the supported physical buses. Rename
it to mlxsw_core_resources_query().
Signed-off-by: Vadim Pasternak <vadimp@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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The minimal driver is chip independent and uses I2C bus for chip access.
Its purpose is to support chassis management on systems equipped with
Mellanox switch ASICs. For example from BMC (Board Management
Controller) device.
Expose a dummy netdev for each front panel port and implement basic
ethtool operations to obtain QSFP/SFP module info through ethtool.
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>
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Replace "mlxsw_minimal" by "mlxsw_m" in order to improve code
readability.
Signed-off-by: Vadim Pasternak <vadimp@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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Move the implementation of ethtool module callbacks - .get_module_info()
and .get_module_eeprom() - to a common location to allow reuse by the
different mlxsw drivers.
Signed-off-by: Vadim Pasternak <vadimp@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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genphy_no_soft_reset and gen10g_no_soft_reset are both the same no-ops,
one is enough.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gen10g_read_status is deprecated, therefore stop exporting it.
We don't want to encourage anybody to use it.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
