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2021-04-20hwmon: (corsair-psu) Update calculation of LINEAR11 valuesWilken Gottwalt
Changes the way how LINEAR11 values are calculated. The new method increases the precision of 2-3 digits. old method: corsairpsu-hid-3-1 Adapter: HID adapter v_in: 230.00 V v_out +12v: 12.00 V v_out +5v: 5.00 V v_out +3.3v: 3.00 V psu fan: 0 RPM vrm temp: +44.0°C case temp: +37.0°C power total: 152.00 W power +12v: 112.00 W power +5v: 38.00 W power +3.3v: 5.00 W curr in: N/A curr +12v: 9.00 A curr +5v: 7.00 A curr +3.3v: 1000.00 mA new method: corsairpsu-hid-3-1 Adapter: HID adapter v_in: 230.00 V v_out +12v: 12.16 V v_out +5v: 5.01 V v_out +3.3v: 3.30 V psu fan: 0 RPM vrm temp: +44.5°C case temp: +37.8°C power total: 148.00 W power +12v: 108.00 W power +5v: 37.00 W power +3.3v: 4.50 W curr in: N/A curr +12v: 9.25 A curr +5v: 7.50 A curr +3.3v: 1.50 A Co-developed-by: Jack Doan <me@jackdoan.com> Signed-off-by: Jack Doan <me@jackdoan.com> Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net> Link: https://lore.kernel.org/r/YDoSMqFbgoTXyoru@monster.powergraphx.local Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: Switch to using the new API kobj_to_dev()Yang Li
fixed the following coccicheck: ./drivers/hwmon/hwmon.c:82:60-61: WARNING opportunity for kobj_to_dev() Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Link: https://lore.kernel.org/r/1614071667-5665-1-git-send-email-yang.lee@linux.alibaba.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Convert to devm_hwmon_device_register_with_info APIGuenter Roeck
Also use regmap for register caching. This change reduces code and data size by more than 40%. While at it, fixed some warnings reported by checkpatch. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Store i2c device instead of client in local dataGuenter Roeck
We only use the pointer to i2c_client to access &client->dev. Store the device pointer directly instead of retrieving it from i2c_client. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Drop log messages from detect functionGuenter Roeck
Not detecting a chip in the detect function is normal and should not generate any log messages, much less error messages. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20Merge tag 'gvt-fixes-2021-04-20' of https://github.com/intel/gvt-linux into ↵Rodrigo Vivi
drm-intel-fixes gvt-fixes-2021-04-20 - Fix cmd parser regression on BDW (Zhenyu) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> From: Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210420023312.GL1551@zhen-hp.sh.intel.com
2021-04-20s390/pci: expose a PCI device's UID as its indexNiklas Schnelle
On s390 each PCI device has a user-defined ID (UID) exposed under /sys/bus/pci/devices/<dev>/uid. This ID was designed to serve as the PCI device's primary index and to match the device within Linux to the device configured in the hypervisor. To serve as a primary identifier the UID must be unique within the Linux instance, this is guaranteed by the platform if and only if the UID Uniqueness Checking flag is set within the CLP List PCI Functions response. In this sense the UID serves an analogous function as the SMBIOS instance number or ACPI index exposed as the "index" respectively "acpi_index" device attributes and used by e.g. systemd to set interface names. As s390 does not use and will likely never use ACPI nor SMBIOS there is no conflict and we can just expose the UID under the "index" attribute whenever UID Uniqueness Checking is active and get systemd's interface naming support for free. Link: https://lore.kernel.org/lkml/20210412135905.1434249-1-schnelle@linux.ibm.com/ Acked-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Narendra K <narendra_k@dell.com> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2021-04-20spi: stm32-qspi: Fix compilation warning in ARM64Patrice Chotard
This fixes warnings detected when compiling in ARM64. Introduced by 'commit 18674dee3cd6 ("spi: stm32-qspi: Add dirmap support")' Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Link: https://lore.kernel.org/r/20210420082103.1693-1-patrice.chotard@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-20Merge tag 'bmc-5.13-devicetree-2' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc into arm/dt BMC device tree updates for 5.13, round two - Fixes to the first pull request for Rainier - Small changes for Rainier, EthanolX and Tiogapass * tag 'bmc-5.13-devicetree-2' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc: ARM: dts: aspeed: tiogapass: add hotplug controller ARM: dts: aspeed: amd-ethanolx: Enable all used I2C busses ARM: dts: aspeed: Rainier: Update to pass 2 hardware ARM: dts: aspeed: Rainier 1S4U: Fix fan nodes ARM: dts: aspeed: Rainier: Fix humidity sensor bus address ARM: dts: aspeed: Rainier: Fix PCA9552 on bus 8 Link: https://lore.kernel.org/r/CACPK8XeJdHmxyJn43Ju5hmxJ7+rJgHmx=ANFaL17YUmp+gOtJg@mail.gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-20sched/fair: Move update_nohz_stats() to the CONFIG_NO_HZ_COMMON block to ↵YueHaibing
simplify the code & fix an unused function warning When !CONFIG_NO_HZ_COMMON we get this new GCC warning: kernel/sched/fair.c:8398:13: warning: ‘update_nohz_stats’ defined but not used [-Wunused-function] Move update_nohz_stats() to an already existing CONFIG_NO_HZ_COMMON #ifdef block. Beyond fixing the GCC warning, this also simplifies the update_nohz_stats() function. [ mingo: Rewrote the changelog. ] Fixes: 0826530de3cb ("sched/fair: Remove update of blocked load from newidle_balance") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20210329144029.29200-1-yuehaibing@huawei.com
2021-04-20Merge tag 'v5.12-rc8' into sched/core, to pick up fixesIngo Molnar
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2021-04-20x86/platform/uv: Remove dead !CONFIG_KEXEC_CORE codeIngo Molnar
The !CONFIG_KEXEC_CORE code in arch/x86/platform/uv/uv_nmi.c was unused, untested and didn't even build for 7 years. Since we fixed this by requiring X86_UV to depend on CONFIG_KEXEC_CORE, remove the (now) dead code. Also move the uv_nmi_kexec_failed definition back up to where the other file-scope global variables are defined. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Mike Travis <travis@sgi.com> Cc: linux-kernel@vger.kernel.org
2021-04-20x86/platform/uv: Fix !KEXEC build failureIngo Molnar
When KEXEC is disabled, the UV build fails: arch/x86/platform/uv/uv_nmi.c:875:14: error: ‘uv_nmi_kexec_failed’ undeclared (first use in this function) Since uv_nmi_kexec_failed is only defined in the KEXEC_CORE #ifdef branch, this code cannot ever have been build tested: if (main) pr_err("UV: NMI kdump: KEXEC not supported in this kernel\n"); atomic_set(&uv_nmi_kexec_failed, 1); Nor is this use possible in uv_handle_nmi(): atomic_set(&uv_nmi_kexec_failed, 0); These bugs were introduced in this commit: d0a9964e9873: ("x86/platform/uv: Implement simple dump failover if kdump fails") Which added the uv_nmi_kexec_failed assignments to !KEXEC code, while making the definition KEXEC-only - apparently without testing the !KEXEC case. Instead of complicating the #ifdef maze, simplify the code by requiring X86_UV to depend on KEXEC_CORE. This pattern is present in other architectures as well. ( We'll remove the untested, 7 years old !KEXEC complications from the file in a separate commit. ) Fixes: d0a9964e9873: ("x86/platform/uv: Implement simple dump failover if kdump fails") Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Mike Travis <travis@sgi.com> Cc: linux-kernel@vger.kernel.org
2021-04-19net/mlx5: DR, Add support for isolate_vl_tc QPYevgeny Kliteynik
When using SW steering, rule insertion rate depends on the RDMA RC QP performance used for writing to the ICM. During stress this QP is competing on the HW resources with all the other QPs that are used to send data. To protect SW steering QP's performance in such cases, we set this QP to use isolated VL. The VL number is reserved by FW and is not exposed to the driver. Support for this QP on isolated VL exists only when both force-loopback and isolate_vl_tc capabilities are set. Signed-off-by: Alex Vesker <valex@mellanox.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Add support for force-loopback QPYevgeny Kliteynik
When supported by the device, SW steering RoCE RC QP that is used to write/read to/from ICM will be created with force-loopback attribute. Such QP doesn't require GID index upon creation. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Add support for matching tunnel GTP-UYevgeny Kliteynik
Enable matching on tunnel GTP-U and GTP-U first extension header using dynamic flex parser. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Set flex parser for TNL_MPLS dynamicallyYevgeny Kliteynik
Query the flex_parser id that's intended for TNL_MPLS and use an appropriate flex parser for MPLS over UDP/GRE. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Add support for matching on geneve TLV optionYevgeny Kliteynik
Enable matching on tunnel geneve TLV option using the flex parser. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Set STEv0 ICMP flex parser dynamicallyYevgeny Kliteynik
Set the flex parser ID dynamicly for ICMP instead of relying on hardcoded values. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Add support for dynamic flex parserYevgeny Kliteynik
Flex parser is a HW parser that can support protocols that are not natively supported by the HCA, such as Geneve (TLV options) and GTP-U. There are 8 such parsers, and each of them can be assigned to parse a specific set of protocols. This patch adds misc4 match params which allows using a correct flex parser that was programmed to the required protocol. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Remove protocol-specific flex_parser_3 definitionsMuhammad Sammar
Remove MPLS specific fields from flex parser 3 layout. Flex parser can be used for multiple protocols and should not be hardcoded to a specific type. Signed-off-by: Muhammad Sammar <muhammads@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: mlx5_ifc updates for flex parserYevgeny Kliteynik
Added the required definitions for supporting more protocols by flex parsers (GTP-U, Geneve TLV options), and for using the right flex parser that was configured for this protocol. Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: E-Switch, Improve error messages in term table creationYevgeny Kliteynik
Add error code to the error messages and removed duplicated message: if termination table creation failed, we already get an error message in mlx5_eswitch_termtbl_create, so no need for the additional error print in the calling function. Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Fix SQ/RQ in doorbell bitmaskYevgeny Kliteynik
QP doorbell size is 16 bits. Fixing sw steering's QP doorbel bitmask, which had 20 bits. Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5: DR, Rename an argument in dr_rdma_segmentsYevgeny Kliteynik
Rename the argument to better reflect that the meaning is not number of records, but wheather or not we should ring the dorbell. Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5e: RX, Add checks for calculated Striding RQ attributesTariq Toukan
Striding RQ attributes below are mutually dependent. An unaware change to one might take the others out of the valid range derived by the HW caps: - The MPWQE size in bytes - The number of strides in a MPWQE - The stride size Add checks to verify they are valid and comply to the HW spec and SW assumptions/requirements. This is not a fix, no particular issue exists today. Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5e: Fix possible non-initialized struct usageVladyslav Tarasiuk
If mlx5e_devlink_port_register() fails, driver may try to register devlink health TX and RX reporters on non-registered devlink port. Instead, create health reporters only if mlx5e_devlink_port_register() does not fail. And destroy reporters only if devlink_port is registered. Also, change mlx5e_get_devlink_port() behavior and return NULL in case port is not registered to replicate devlink's wrapper when ndo is not implemented. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19net/mlx5e: Fix lost changes during code movementsTariq Toukan
The changes done in commit [1] were missed by the code movements done in [2], as they were developed in ~parallel. Here we re-apply them. [1] commit e4484d9df500 ("net/mlx5e: Enable striding RQ for Connect-X IPsec capable devices") [2] commit b3a131c2a160 ("net/mlx5e: Move params logic into its dedicated file") Fixes: b3a131c2a160 ("net/mlx5e: Move params logic into its dedicated file") Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Aya Levin <ayal@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-04-19Merge branch 'bpf: refine retval for bpf_get_task_stack helper'Alexei Starovoitov
Dave Marchevsky says: ==================== Similarly to the bpf_get_stack helper, bpf_get_task_stack's return value can be more tightly bound by the verifier - it's the number of bytes written to a user-supplied buffer, or a negative error value. Currently the verifier believes bpf_task_get_stack's retval bounds to be unknown, requiring extraneous bounds checking to remedy. Adding it to do_refine_retval_range fixes the issue, as evidenced by new selftests which fail to load if retval bounds are not refined. v2: Addressed comment nit in patch 3 ==================== Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2021-04-19bpf/selftests: Add bpf_get_task_stack retval bounds test_progDave Marchevsky
Add a libbpf test prog which feeds bpf_get_task_stack's return value into seq_write after confirming it's positive. No attempt to bound the value from above is made. Load will fail if verifier does not refine retval range based on buf sz input to bpf_get_task_stack. Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210416204704.2816874-4-davemarchevsky@fb.com
2021-04-19bpf/selftests: Add bpf_get_task_stack retval bounds verifier testDave Marchevsky
Add a bpf_iter test which feeds bpf_get_task_stack's return value into seq_write after confirming it's positive. No attempt to bound the value from above is made. Load will fail if verifier does not refine retval range based on buf sz input to bpf_get_task_stack. Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210416204704.2816874-3-davemarchevsky@fb.com
2021-04-19bpf: Refine retval for bpf_get_task_stack helperDave Marchevsky
Verifier can constrain the min/max bounds of bpf_get_task_stack's return value more tightly than the default tnum_unknown. Like bpf_get_stack, return value is num bytes written into a caller-supplied buf, or error, so do_refine_retval_range will work. Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210416204704.2816874-2-davemarchevsky@fb.com
2021-04-19samples/bpf: Fix broken tracex1 due to kprobe argument changeYaqi Chen
>From commit c0bbbdc32feb ("__netif_receive_skb_core: pass skb by reference"), the first argument passed into __netif_receive_skb_core has changed to reference of a skb pointer. This commit fixes by using bpf_probe_read_kernel. Signed-off-by: Yaqi Chen <chendotjs@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20210416154803.37157-1-chendotjs@gmail.com
2021-04-19ethtool: add missing EEPROM to list of messagesJakub Kicinski
ETHTOOL_MSG_MODULE_EEPROM_GET is missing from the list of messages. ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY is sadly a rather long name so we need to adjust column length. v2: use spaces (Andrew) Fixes: c781ff12a2f3 ("ethtool: Allow network drivers to dump arbitrary EEPROM data") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19MAINTAINERS: updateLijun Pan
I am making this change again since I received the following instruction. "As an IBM employee, you are not allowed to use your gmail account to work in any way on VNIC. You are not allowed to use your personal email account as a "hobby". You are an IBM employee 100% of the time. Please remove yourself completely from the maintainers file. I grant you a 1 time exception on contributions to VNIC to make this change." Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19ethtool: stats: clarify the initialization to ETHTOOL_STAT_NOT_SETJakub Kicinski
Ido suggests we add a comment about the init of stats to -1. This is unlikely to be clear to first time readers. Suggested-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19bnxt: add more ethtool standard statsJakub Kicinski
Michael suggest a few more stats we can expose. $ ethtool -S eth0 --groups eth-mac Standard stats for eth0: eth-mac-FramesTransmittedOK: 902623288966 eth-mac-FramesReceivedOK: 28727667047 eth-mac-FrameCheckSequenceErrors: 1 eth-mac-AlignmentErrors: 0 eth-mac-OutOfRangeLengthField: 0 $ ethtool -S eth0 | grep '\(fcs\|align\|oor\)' rx_fcs_err_frames: 1 rx_align_err_frames: 0 tx_fcs_err_frames: 0 Suggested-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19Merge branch 'tja1103-driver'David S. Miller
Radu Pirea says: ==================== TJA1103 driver This small series adds the TJA1103 PHY driver. Changes in v3: - use phy_read_mmd_poll_timeout instead of spin_until_cond - changed the phy name from a generic one to something specific - minor indentation change Changes in v2: - implemented genphy_c45_pma_suspend/genphy_c45_pma_suspend - set default internal delays set to 2ns(90 degrees) - added "VEND1_" prefix to the register definitions - disable rxid in case of txid - disable txid in case of rxid - disable internal delays in rgmii mode - reduced max line length to 80 characters - rebased on top of net-next/master - use genphy_c45_loopback as .set_loopback callback - renamed the driver from nxp-c45 to nxp-c45-tja11xx - used phy phy_set_bits_mmd/phy_clear_bits_mmd instead on phy_write_mmd where I had to set/clear one bit. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19phy: nxp-c45: add driver for tja1103Radu Pirea (NXP OSS)
Add driver for tja1103 driver and for future NXP C45 PHYs. Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: phy: add genphy_c45_pma_suspend/resumeRadu Pirea (NXP OSS)
Add generic PMA suspend and resume callback functions for C45 PHYs. Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: marvell: prestera: add support for AC3X 98DX3265 deviceVadym Kochan
Add PCI match for AC3X 98DX3265 device which is supported by the current driver and firmware. Signed-off-by: Vadym Kochan <vkochan@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: fix a data race when get vlan deviceDi Zhu
We encountered a crash: in the packet receiving process, we got an illegal VLAN device address, but the VLAN device address saved in vmcore is correct. After checking the code, we found a possible data competition: CPU 0: CPU 1: (RCU read lock) (RTNL lock) vlan_do_receive() register_vlan_dev() vlan_find_dev() ->__vlan_group_get_device() ->vlan_group_prealloc_vid() In vlan_group_prealloc_vid(), We need to make sure that memset() in kzalloc() is executed before assigning value to vlan devices array: ================================= kzalloc() ->memset(object, 0, size) smp_wmb() vg->vlan_devices_arrays[pidx][vidx] = array; ================================== Because __vlan_group_get_device() function depends on this order. otherwise we may get a wrong address from the hardware cache on another cpu. So fix it by adding memory barrier instruction to ensure the order of memory operations. Signed-off-by: Di Zhu <zhudi21@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19gro: fix napi_gro_frags() Fast GRO breakage due to IP alignment checkAlexander Lobakin
Commit 38ec4944b593 ("gro: ensure frag0 meets IP header alignment") did the right thing, but missed the fact that napi_gro_frags() logics calls for skb_gro_reset_offset() *before* pulling Ethernet header to the skb linear space. That said, the introduced check for frag0 address being aligned to 4 always fails for it as Ethernet header is obviously 14 bytes long, and in case with NET_IP_ALIGN its start is not aligned to 4. Fix this by adding @nhoff argument to skb_gro_reset_offset() which tells if an IP header is placed right at the start of frag0 or not. This restores Fast GRO for napi_gro_frags() that became very slow after the mentioned commit, and preserves the introduced check to avoid silent unaligned accesses. From v1 [0]: - inline tiny skb_gro_reset_offset() to let the code be optimized more efficively (esp. for the !NET_IP_ALIGN case) (Eric); - pull in Reviewed-by from Eric. [0] https://lore.kernel.org/netdev/20210418114200.5839-1-alobakin@pm.me Fixes: 38ec4944b593 ("gro: ensure frag0 meets IP header alignment") Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: stmmac: fix memory leak during driver probeWong Vee Khee
On driver probe, kmemleak reported the following memory leak which was due to allocated bitmap that was not being freed in stmmac_dvr_probe(). unreferenced object 0xffff9276014b13c0 (size 8): comm "systemd-udevd", pid 2143, jiffies 4294681112 (age 116.720s) hex dump (first 8 bytes): 00 00 00 00 00 00 00 00 ........ backtrace: [<00000000c51e34b2>] stmmac_dvr_probe+0x1c0/0x440 [stmmac] [<00000000b530eb41>] intel_eth_pci_probe.cold+0x2b/0x14e [dwmac_intel] [<00000000b10f8929>] pci_device_probe+0xd2/0x150 [<00000000fb254c74>] really_probe+0xf8/0x410 [<0000000034128a59>] driver_probe_device+0x5d/0x150 [<00000000016104d5>] device_driver_attach+0x53/0x60 [<00000000cb18cd07>] __driver_attach+0x96/0x140 [<00000000da9ffd5c>] bus_for_each_dev+0x7a/0xc0 [<00000000af061a88>] bus_add_driver+0x184/0x1f0 [<000000008be5c1c5>] driver_register+0x6c/0xc0 [<0000000052b18a9e>] do_one_initcall+0x4d/0x210 [<00000000154d4f07>] do_init_module+0x5c/0x230 [<000000009b648d09>] load_module+0x2a5a/0x2d40 [<000000000d86b76d>] __do_sys_finit_module+0xb5/0x120 [<000000002b0cef95>] do_syscall_64+0x33/0x40 [<0000000067b45bbb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: bba2556efad6 ("net: stmmac: Enable RX via AF_XDP zero-copy") Cc: Ong Boon Leong <boon.leong.ong@intel.com> Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19Merge branch 'korina-next'David S. Miller
Thomas Bogendoerfer says: ==================== net: Korina improvements While converting Mikrotik RB532 support to use device tree I stumbled over the korina ethernet driver, which used way too many MIPS specific hacks. This series cleans this all up and adds support for device tree. Changes in v6: - remove korina from resource names and adapt DT binding to it - removed superfluous braces around of_get_mac_address Changes in v5: - fixed email address in binding document, which prevented sending it Changes in v4: - improve error returns in mdio_read further - added clock name and improved clk handling - fixed binding errors Changes in v3: - use readl_poll_timeout_atomic in mdio_wait - return -ETIMEDOUT, if mdio_wait failed - added DT binding and changed name to idt,3243x-emac - fixed usage of of_get_mac_address for net-next Changes in v2: - added device tree support to get rid of idt_cpu_freq - fixed compile test on 64bit archs - fixed descriptor current address handling by storing/using mapped dma addresses (dma controller modifies current address) ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19dt-bindings: net: korina: Add DT bindings for IDT 79RC3243x SoCsThomas Bogendoerfer
Add device tree bindings for ethernet controller integrated into IDT 79RC3243x SoCs. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: korina: Make driver COMPILE_TESTableThomas Bogendoerfer
Move structs/defines for ethernet/dma register into driver, since they are only used for this driver and remove any MIPS specific includes. This makes it possible to COMPILE_TEST the driver. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: korina: Get mdio input clock via common clock frameworkThomas Bogendoerfer
With device tree clock is provided via CCF. For non device tree use a maximum clock value to not overclock the PHY. The non device tree usage will go away after platform is converted to DT. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: korina: Add support for device treeThomas Bogendoerfer
If there is no mac address passed via platform data try to get it via device tree and fall back to a random mac address, if all fail. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19net: korina: Only pass mac address via platform dataThomas Bogendoerfer
Get rid of access to struct korina_device by just passing the mac address via platform data and use drvdata for passing netdev to remove function. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit (git 2.34.1) at 2025-09-15 11:06:04 +0000