- Fix conversion to physical memory addresses on Intel's Elkhart Lake and Ice
Lake hardware when the system address is above the (Top-Of-Memory) TOM
address
- Pay attention to the memory hole on Zynq UltraScale+ MPSoC DDR controllers
when injecting errors for testing purposes
- Add support for translating normalized error addresses reported by an AMD
memory controller into system physical addresses using an UEFI mechanism
called platform runtime mechanism (PRM).
- The usual cleanups and fixes
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Merge tag 'edac_updates_for_v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Drop a now obsolete ppc4xx_edac driver
- Fix conversion to physical memory addresses on Intel's Elkhart Lake
and Ice Lake hardware when the system address is above the
(Top-Of-Memory) TOM address
- Pay attention to the memory hole on Zynq UltraScale+ MPSoC DDR
controllers when injecting errors for testing purposes
- Add support for translating normalized error addresses reported by an
AMD memory controller into system physical addresses using an UEFI
mechanism called platform runtime mechanism (PRM).
- The usual cleanups and fixes
* tag 'edac_updates_for_v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC: Drop obsolete PPC4xx driver
EDAC/sb_edac: Fix the compile warning of large frame size
EDAC/{skx_common,i10nm}: Remove the AMAP register for determing DDR5
EDAC/{skx_common,skx,i10nm}: Move the common debug code to skx_common
EDAC/igen6: Fix conversion of system address to physical memory address
EDAC/synopsys: Fix error injection on Zynq UltraScale+
RAS/AMD/ATL: Translate normalized to system physical addresses using PRM
ACPI: PRM: Add PRM handler direct call support
- clean up TTBCR magic numbers and use u32 for this register
- fix clang issue in VFP code leading to kernel oops, caused by
compiler instruction scheduling.
- switch 32-bit Arm to use GENERIC_CPU_DEVICES and use the
arch_cpu_is_hotpluggable() hook.
- pass struct device to arm_iommu_create_mapping() and move over
to use iommu_paging_domain_alloc() rather than iommu_domain_alloc()
- make amba_bustype constant
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull ARM updates from Russell King:
- clean up TTBCR magic numbers and use u32 for this register
- fix clang issue in VFP code leading to kernel oops, caused by
compiler instruction scheduling.
- switch 32-bit Arm to use GENERIC_CPU_DEVICES and use the
arch_cpu_is_hotpluggable() hook.
- pass struct device to arm_iommu_create_mapping() and move over to use
iommu_paging_domain_alloc() rather than iommu_domain_alloc()
- make amba_bustype constant
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9418/1: dma-mapping: Use iommu_paging_domain_alloc()
ARM: 9417/1: dma-mapping: Pass device to arm_iommu_create_mapping()
ARM: 9416/1: amba: make amba_bustype constant
ARM: 9412/1: Convert to arch_cpu_is_hotpluggable()
ARM: 9411/1: Switch over to GENERIC_CPU_DEVICES using arch_register_cpu()
ARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros
ARM: 9409/1: mmu: Do not use magic number for TTBCR settings
The zero-copy changes are relatively significant, but regression risk
should be contained. The feature needs to be used to cause trouble.
The new code did trigger a PowerPC64 bug with GCC 14:
https://lore.kernel.org/netdev/20240913125302.0a06b4c7@canb.auug.org.au/
a fix for which Michael will bring via his tree:
https://lore.kernel.org/all/87jzffq9ge.fsf@mail.lhotse/
Unideal, not sure if you'll be willing to pull without that fix but
since we caught this recently I figured we'll defer to you during
the MW instead of trying to fix it cross-tree.
Also it feels like we got an order of magnitude more semi-automated
"refactoring" chaff than usual, I wonder if it's just us.
Core & protocols
----------------
- Support Device Memory TCP, ability to zero-copy receive TCP payloads
to a DMABUF region of memory while packet headers land separately
in normal kernel buffers, and TCP processes then as usual.
- The ability to read the PTP PHC (Physical Hardware Clock) alongside
MONOTONIC_RAW timestamps with PTP_SYS_OFFSET_EXTENDED. Previously
only CLOCK_REALTIME was supported.
- Allow matching on all bits of IP DSCP for routing decisions.
Previously we only supported on matching TOS bits in IPv4 which
is a narrower interpretation of the same header field.
- Increase the range of weights used for multi-path routing from
8 bits to 16 bits.
- Add support for IPv6 PIO p flag in the Prefix Information Option
per draft-ietf-6man-pio-pflag.
- IPv6 IOAM6 support for new tunsrc encap mode for better performance.
- Detect destinations which blackhole MPTCP traffic and avoid initiating
MPTCP connections to them for a certain period of time, 1h by default.
- Improve IPsec control path performance by removing the inexact
policies list.
- AF_VSOCK: add support for SIOCOUTQ ioctl.
- Add enum for reasons TCP reset was sent for easier tracing.
- Add SMC ringbufs usage statistics.
Drivers
-------
- Handle netconsole setup failures more gracefully, don't fail loading,
retain the specified target as disabled.
- Extend bonding's IPsec offload pass thru capabilities (ESN, stats).
Filtering
---------
- Add TCP_BPF_SOCK_OPS_CB_FLAGS to bpf_*sockopt() to address the case
when long-lived sockets miss a chance to set additional callbacks
if a sockops program was not attached early in their lifetime.
- Support using BPF skb helpers in tracepoints.
- Conntrack Netlink: support CTA_FILTER for flush.
- Improve SCTP support in nfnetlink_queue.
- Improve performance of large nftables flush transactions.
Things we sprinkled into general kernel code
--------------------------------------------
- selftests: support setting an "interpreter" for script files;
make it easy to run as separate cases tests where one "interpreter"
is fed various test descriptions (in our case packet sequences).
Driver API
----------
- Extend core and ethtool APIs to support many PHYs connected to a single
interface (PHY topologies).
- Extend cable diagnostics to specify whether Time Domain Reflectometry
(TDR) or Active Link Cable Diagnostic (ALCD) was used.
- Add library for implementing MAC-PHY Ethernet drivers for SPI devices
compatible with Open Alliance 10BASE-T1x MAC-PHY Serial Interface (TC6)
standard.
- Add helpers to the PHY framework, for PHYs following the Open Alliance
standards:
- 1000BaseT1 link settings
- cable test and diagnostics
- Support listing / dumping all allocated RSS contexts.
- Add configuration for frequency Embedded SYNC in DPLL, which magically
embeds sync pulses into Ethernet signaling.
Device drivers
--------------
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- use better FW APIs for queue reset
- support QOS and TPID settings for the SR-IOV VLAN
- support dynamic MSI-X allocation
- Intel (100G, ice, idpf):
- ice: support PCIe subfunctions
- iavf: add support for TC U32 filters on VFs
- ice: support Embedded SYNC in DPLL
- nVidia/Mellanox (mlx5):
- support HW managed steering tables
- support PCIe PTM cross timestamping
- AMD/Pensando:
- ionic: use page_pool to increase Rx performance
- Cisco (enic):
- report per-queue statistics
- Ethernet virtual:
- Microsoft vNIC:
- mana: support configuring ring length
- netvsc: enable more channels on systems with many CPUs
- IBM veth:
- optimize polling to improve TCP_RR performance
- optimize performance of Tx handling
- VirtIO net:
- synchronize the operstate with the admin state to allow a lower
virtio-net to propagate the link status to an upper device like
macvlan
- Ethernet NICs consumer, and embedded:
- Add driver for Realtek automotive PCIe devices (RTL9054, RTL9068,
RTL9072, RTL9075, RTL9068, RTL9071)
- Add driver for Microchip LAN8650/1 10BASE-T1S MAC-PHY.
- Microchip:
- lan743x: use phylink - support WOL, EEE, pause, link settings
- add Wake-on-LAN support for KSZ87xx family
- add KSZ8895/KSZ8864 switch support
- factor out FDMA code and use it in sparx5 and lan966x
(including DCB support in both)
- Synopsys (stmmac):
- support frame preemption (configured using TC and ethtool)
- support Loongson DWMAC (GMAC v3.73)
- support RockChips RK3576 DWMAC
- TI:
- am65-cpsw: add multi queue RX support
- icssg-prueth: HSR offload support
- Cadence (macb):
- enable software (hrtimer based) IRQ coalescing by default
- Xilinx (axinet):
- expose HW statistics
- improve multicast filtering
- relax Rx checksum offload constraints
- MediaTek:
- mt7530: add EN7581 support
- Aspeed (ftgmac100):
- report link speed and duplex
- Intel:
- igc: add mqprio offload
- igc: report EEE configuration
- RealTek (r8169):
- add support for RTL8126A rev.b
- Vitesse (vsc73xx):
- implement FDB add/del/dump operations
- Freescale (fs_enet):
- use phylink
- Ethernet PHYs:
- vitesse: implement downshift and MDI-X in vsc73xx PHYs
- microchip: support LAN887x, supporting IEEE 802.3bw (100BASE-T1)
and IEEE 802.3bp (1000BASE-T1) specifications
- add Applied Micro QT2025 PHY driver (in Rust)
- add Motorcomm yt8821 2.5G Ethernet PHY driver
- CAN:
- add driver for Rockchip RK3568 CAN-FD controller
- flexcan: add wakeup support for imx95
- kvaser_usb: set hardware timestamp on transmitted packets
- WiFi:
- mac80211/cfg80211:
- EHT rate support in AQL airtime fairness
- handle DFS (radar detection) per link in Multi-Link Operation
- RealTek (rtw89):
- support RTL8852BT and 8852BE-VT (WiFi 6)
- support hardware rfkill
- support HW encryption in unicast management frames
- support Wake-on-WLAN with supported network detection
- RealTek (rtw89):
- improve Rx performance by using USB frame aggregation
- support USB 3 with RTL8822CU/RTL8822BU
- Intel (iwlwifi/mvm):
- offload RLC/SMPS functionality to firmware
- Marvell (mwifiex):
- add host based MLME to enable WPA3
- Bluetooth:
- add support for Amlogic HCI UART protocol
- add support for ISO data/packets to Intel and NXP drivers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"The zero-copy changes are relatively significant, but regression risk
should be contained. The feature needs to be used to cause trouble.
Also it feels like we got an order of magnitude more semi-automated
"refactoring" chaff than usual, I wonder if it's just us.
Core & protocols:
- Support Device Memory TCP, ability to zero-copy receive TCP
payloads to a DMABUF region of memory while packet headers land
separately in normal kernel buffers, and TCP processes then as
usual.
- The ability to read the PTP PHC (Physical Hardware Clock) alongside
MONOTONIC_RAW timestamps with PTP_SYS_OFFSET_EXTENDED. Previously
only CLOCK_REALTIME was supported.
- Allow matching on all bits of IP DSCP for routing decisions.
Previously we only supported on matching TOS bits in IPv4 which is
a narrower interpretation of the same header field.
- Increase the range of weights used for multi-path routing from
8 bits to 16 bits.
- Add support for IPv6 PIO p flag in the Prefix Information Option
per draft-ietf-6man-pio-pflag.
- IPv6 IOAM6 support for new tunsrc encap mode for better
performance.
- Detect destinations which blackhole MPTCP traffic and avoid
initiating MPTCP connections to them for a certain period of time,
1h by default.
- Improve IPsec control path performance by removing the inexact
policies list.
- AF_VSOCK: add support for SIOCOUTQ ioctl.
- Add enum for reasons TCP reset was sent for easier tracing.
- Add SMC ringbufs usage statistics.
Drivers:
- Handle netconsole setup failures more gracefully, don't fail
loading, retain the specified target as disabled.
- Extend bonding's IPsec offload pass thru capabilities (ESN, stats).
Filtering:
- Add TCP_BPF_SOCK_OPS_CB_FLAGS to bpf_*sockopt() to address the case
when long-lived sockets miss a chance to set additional callbacks
if a sockops program was not attached early in their lifetime.
- Support using BPF skb helpers in tracepoints.
- Conntrack Netlink: support CTA_FILTER for flush.
- Improve SCTP support in nfnetlink_queue.
- Improve performance of large nftables flush transactions.
Things we sprinkled into general kernel code:
- selftests: support setting an "interpreter" for script files; make
it easy to run as separate cases tests where one "interpreter" is
fed various test descriptions (in our case packet sequences).
Driver API:
- Extend core and ethtool APIs to support many PHYs connected to a
single interface (PHY topologies).
- Extend cable diagnostics to specify whether Time Domain
Reflectometry (TDR) or Active Link Cable Diagnostic (ALCD) was
used.
- Add library for implementing MAC-PHY Ethernet drivers for SPI
devices compatible with Open Alliance 10BASE-T1x MAC-PHY Serial
Interface (TC6) standard.
- Add helpers to the PHY framework, for PHYs following the Open
Alliance standards:
- 1000BaseT1 link settings
- cable test and diagnostics
- Support listing / dumping all allocated RSS contexts.
- Add configuration for frequency Embedded SYNC in DPLL, which
magically embeds sync pulses into Ethernet signaling.
Device drivers:
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- use better FW APIs for queue reset
- support QOS and TPID settings for the SR-IOV VLAN
- support dynamic MSI-X allocation
- Intel (100G, ice, idpf):
- ice: support PCIe subfunctions
- iavf: add support for TC U32 filters on VFs
- ice: support Embedded SYNC in DPLL
- nVidia/Mellanox (mlx5):
- support HW managed steering tables
- support PCIe PTM cross timestamping
- AMD/Pensando:
- ionic: use page_pool to increase Rx performance
- Cisco (enic):
- report per-queue statistics
- Ethernet virtual:
- Microsoft vNIC:
- mana: support configuring ring length
- netvsc: enable more channels on systems with many CPUs
- IBM veth:
- optimize polling to improve TCP_RR performance
- optimize performance of Tx handling
- VirtIO net:
- synchronize the operstate with the admin state to allow a
lower virtio-net to propagate the link status to an upper
device like macvlan
- Ethernet NICs consumer, and embedded:
- Add driver for Realtek automotive PCIe devices (RTL9054,
RTL9068, RTL9072, RTL9075, RTL9068, RTL9071)
- Add driver for Microchip LAN8650/1 10BASE-T1S MAC-PHY.
- Microchip:
- lan743x: use phylink - support WOL, EEE, pause, link settings
- add Wake-on-LAN support for KSZ87xx family
- add KSZ8895/KSZ8864 switch support
- factor out FDMA code and use it in sparx5 and lan966x
(including DCB support in both)
- Synopsys (stmmac):
- support frame preemption (configured using TC and ethtool)
- support Loongson DWMAC (GMAC v3.73)
- support RockChips RK3576 DWMAC
- TI:
- am65-cpsw: add multi queue RX support
- icssg-prueth: HSR offload support
- Cadence (macb):
- enable software (hrtimer based) IRQ coalescing by default
- Xilinx (axinet):
- expose HW statistics
- improve multicast filtering
- relax Rx checksum offload constraints
- MediaTek:
- mt7530: add EN7581 support
- Aspeed (ftgmac100):
- report link speed and duplex
- Intel:
- igc: add mqprio offload
- igc: report EEE configuration
- RealTek (r8169):
- add support for RTL8126A rev.b
- Vitesse (vsc73xx):
- implement FDB add/del/dump operations
- Freescale (fs_enet):
- use phylink
- Ethernet PHYs:
- vitesse: implement downshift and MDI-X in vsc73xx PHYs
- microchip: support LAN887x, supporting IEEE 802.3bw (100BASE-T1)
and IEEE 802.3bp (1000BASE-T1) specifications
- add Applied Micro QT2025 PHY driver (in Rust)
- add Motorcomm yt8821 2.5G Ethernet PHY driver
- CAN:
- add driver for Rockchip RK3568 CAN-FD controller
- flexcan: add wakeup support for imx95
- kvaser_usb: set hardware timestamp on transmitted packets
- WiFi:
- mac80211/cfg80211:
- EHT rate support in AQL airtime fairness
- handle DFS (radar detection) per link in Multi-Link Operation
- RealTek (rtw89):
- support RTL8852BT and 8852BE-VT (WiFi 6)
- support hardware rfkill
- support HW encryption in unicast management frames
- support Wake-on-WLAN with supported network detection
- RealTek (rtw89):
- improve Rx performance by using USB frame aggregation
- support USB 3 with RTL8822CU/RTL8822BU
- Intel (iwlwifi/mvm):
- offload RLC/SMPS functionality to firmware
- Marvell (mwifiex):
- add host based MLME to enable WPA3
- Bluetooth:
- add support for Amlogic HCI UART protocol
- add support for ISO data/packets to Intel and NXP drivers"
* tag 'net-next-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1303 commits)
net/mlx5: HWS, check the correct variable in hws_send_ring_alloc_sq()
netfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()
ice: Fix a NULL vs IS_ERR() check in probe()
ice: Fix a couple NULL vs IS_ERR() bugs
net: ethernet: fs_enet: Make the per clock optional
net: ti: icssg-prueth: Add multicast filtering support in HSR mode
net: ti: icssg-prueth: Enable HSR Tx duplication, Tx Tag and Rx Tag offload
net: ti: icssg-prueth: Add support for HSR frame forward offload
net: ti: icssg-prueth: Stop hardcoding def_inc
net: ti: icss-iep: Move icss_iep structure
net: ibm: emac: get rid of wol_irq
net: ibm: emac: remove all waiting code
net: ibm: emac: replace of_get_property
net: ibm: emac: use netdev's phydev directly
net: ibm: emac: use devm for register_netdev
net: ibm: emac: remove mii_bus with devm
net: ibm: emac: use devm for of_iomap
net: ibm: emac: manage emac_irq with devm
net: ibm: emac: use devm for alloc_etherdev
octeontx2-af: debugfs: Add Channel info to RPM map
...
There is a copy and paste bug so this code checks "sq->dep_wqe" where
"sq->wr_priv" was intended. It could result in a NULL pointer
dereference.
Fixes: 2ca62599aa ("net/mlx5: HWS, added send engine and context handling")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/da822315-02b7-4f5b-9c86-0d5176c5069d@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The cgroup_get_from_path() function never returns NULL, it returns error
pointers. Update the error handling to match.
Fixes: 7f3287db65 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://patch.msgid.link/bbc0c4e0-05cc-4f44-8797-2f4b3920a820@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ice_allocate_sf() function returns error pointers on error. It
doesn't return NULL. Update the check to match.
Fixes: 177ef7f1e2 ("ice: base subfunction aux driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/6951d217-ac06-4482-a35d-15d757fd90a3@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ice_repr_create() function returns error pointers. It never returns
NULL. Fix the callers to check for IS_ERR().
Fixes: 977514fb0f ("ice: create port representor for SF")
Fixes: 415db8399d ("ice: make representor code generic")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/7f7aeb91-8771-47b8-9275-9d9f64f947dd@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some platforms that use fs_enet don't have the PER register clock. This
optional dependency on the clock was incorrectly made mandatory when
switching to devm_ accessors.
Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Closes: https://lore.kernel.org/netdev/4e4defa9-ef2f-4ff1-95ca-6627c24db20c@wanadoo.fr/
Fixes: c614acf6e8 ("net: ethernet: fs_enet: simplify clock handling with devm accessors")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/20240914081821.209130-1-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This triggers an issue in the bochsdrm driver, which used ioremap()
instead of ioremap_wc() to map the video RAM. The revert lets video
RAM use the WB memory type instead of the slower UC memory type.
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Merge tag 'for-linus-6.11' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fix from Paolo Bonzini:
"Do not always honor guest PAT on CPUs that support self-snoop.
This triggers an issue in the bochsdrm driver, which used ioremap()
instead of ioremap_wc() to map the video RAM.
The revert lets video RAM use the WB memory type instead of the slower
UC memory type"
* tag 'for-linus-6.11' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"
This reverts commit 377b2f359d.
This caused a regression with the bochsdrm driver, which used ioremap()
instead of ioremap_wc() to map the video RAM. After the commit, the
WB memory type is used without the IGNORE_PAT, resulting in the slower
UC memory type. In fact, UC is slow enough to basically cause guests
to not boot... but only on new processors such as Sapphire Rapids and
Cascade Lake. Coffee Lake for example works properly, though that might
also be an effect of being on a larger, more NUMA system.
The driver has been fixed but that does not help older guests. Until we
figure out whether Cascade Lake and newer processors are working as
intended, revert the commit. Long term we might add a quirk, but the
details depend on whether the processors are working as intended: for
example if they are, the quirk might reference bochs-compatible devices,
e.g. in the name and documentation, so that userspace can disable the
quirk by default and only leave it enabled if such a device is being
exposed to the guest.
If instead this is actually a bug in CLX+, then the actions we need to
take are different and depend on the actual cause of the bug.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
MD Danish Anwar says:
====================
Introduce HSR offload support for ICSSG
This series introduces HSR offload support for ICSSG driver. To support HSR
offload to hardware, ICSSG HSR firmware is used.
This series introduces,
1. HSR frame offload support for ICSSG driver.
2. HSR Tx Packet duplication offload
3. HSR Tx Tag and Rx Tag offload
4. Multicast filtering support in HSR offload mode.
5. Dependencies related to IEP.
HSR Test Setup:
--------------
___________ ___________ ___________
| | Link AB | | Link BC | |
__| AM64* |_________| AM64 |_________| AM64* |___
| | Station A | | Station B | | Station C | |
| |___________| |___________| |___________| |
| |
|______________________________________________________________|
Link CA
*Could be any device that supports two ethernet interfaces.
Steps to switch to HSR frame forward offload mode:
-------------------------------------------------
Example assuming eth1, eth2 ports of ICSSG1 on AM64-EVM
1) Enable HSR offload for both interfaces
ethtool -K eth1 hsr-fwd-offload on
ethtool -K eth1 hsr-dup-offload on
ethtool -K eth1 hsr-tag-ins-offload on
ethtool -K eth1 hsr-tag-rm-offload on
ethtool -K eth2 hsr-fwd-offload on
ethtool -K eth2 hsr-dup-offload on
ethtool -K eth2 hsr-tag-ins-offload on
ethtool -K eth2 hsr-tag-rm-offload on
2) Create HSR interface and add slave interfaces to it
ip link add name hsr0 type hsr slave1 eth1 slave2 eth2 \
supervision 45 version 1
3) Add IP address to the HSR interface
ip addr add <IP_ADDR>/24 dev hsr0
4) Bring up the HSR interface
ip link set hsr0 up
Switching back to previous mode:
--------------------------------
1) Delete HSR interface
ip link delete hsr0
2) Disable HSR port-to-port offloading mode, packet duplication
ethtool -K eth1 hsr-fwd-offload off
ethtool -K eth1 hsr-dup-offload off
ethtool -K eth1 hsr-tag-ins-offload off
ethtool -K eth1 hsr-tag-rm-offload off
ethtool -K eth2 hsr-fwd-offload off
ethtool -K eth2 hsr-dup-offload off
ethtool -K eth2 hsr-tag-ins-offload off
ethtool -K eth2 hsr-tag-rm-offload off
Testing the port-to-port frame forward offload feature:
-----------------------------------------------------
1) Connect the LAN cables as shown in the test setup.
2) Configure Station A and Station C in HSR non-offload mode.
3) Configure Station B is HSR offload mode.
4) Since HSR is a redundancy protocol, disconnect cable "Link CA",
to ensure frames from Station A reach Station C only through
Station B.
5) Run iperf3 Server on Station C and client on station A.
7) Check the CPU usage on Station B.
CPU usage report on Station B using mpstat when running UDP iperf3:
-------------------------------------------------------------------
1) Non-Offload case
-------------------
CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
all 0.00 0.00 0.50 0.00 3.52 29.15 0.00 0.00 66.83
0 0.00 0.00 0.00 0.00 7.00 58.00 0.00 0.00 35.00
1 0.00 0.00 0.99 0.00 0.99 0.00 0.00 0.00 98.02
2) Offload case
---------------
CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
all 0.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 99.50
0 0.00 0.00 0.99 0.00 0.00 0.00 0.00 0.00 99.01
1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00
Note:
1) At the very least, hsr-fwd-offload must be enabled.
Without offloading the port-to-port offload, other
HSR offloads cannot be enabled.
2) hsr-tag-ins-offload and hsr-dup-offload are tightly coupled in
the firmware implementation. They both need to be enabled / disabled
together.
v1: https://lore.kernel.org/20240808110800.1281716-1-danishanwar@ti.com/
v2: https://lore.kernel.org/20240813074233.2473876-1-danishanwar@ti.com
v3: https://lore.kernel.org/20240828091901.3120935-1-danishanwar@ti.com/
v4: https://lore.kernel.org/20240904100506.3665892-1-danishanwar@ti.com/
v5: https://lore.kernel.org/20240906111538.1259418-1-danishanwar@ti.com/
[0] https://lore.kernel.org/202409061658.vSwcFJiK-lkp@intel.com/
[1] https://lore.kernel.org/20240828091901.3120935-5-danishanwar@ti.com/
[2] https://lore.kernel.org/20240828091901.3120935-7-danishanwar@ti.com/
[3] https://lore.kernel.org/20240813074233.2473876-2-danishanwar@ti.com/
[4] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e846be0fba85
====================
Link: https://patch.msgid.link/20240911081603.2521729-1-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The HSR stack allows to offload its Tx packet duplication functionality to
the hardware. Enable this offloading feature for ICSSG driver. Add support
to offload HSR Tx Tag Insertion and Rx Tag Removal and duplicate discard.
hsr tag insertion offload and hsr dup offload are tightly coupled in
firmware implementation. Both these features need to be enabled / disabled
together.
Duplicate discard is done as part of RX tag removal and it is
done by the firmware. When driver sends the r30 command
ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE, firmware does RX tag removal as well as
duplicate discard.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20240911081603.2521729-5-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for offloading HSR port-to-port frame forward to hardware.
When the slave interfaces are added to the HSR interface, the PRU cores
will be stopped and ICSSG HSR firmwares will be loaded to them.
Similarly, when HSR interface is deleted, the PRU cores will be
restarted and the last used firmwares will be reloaded. PRUeth
interfaces will be back to the last used mode.
This commit also renames some APIs that are common between switch and
hsr mode with '_fw_offload' suffix.
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20240911081603.2521729-4-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The def_inc is stored in icss_iep structure. Currently default increment
(ns per clock tick) is hardcoded to 4 (Clock frequency being 250 MHz).
Change this to use the iep->def_inc variable as the iep structure is now
accessible to the driver files.
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240911081603.2521729-3-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move icss_iep structure definition and to icss_iep.h file so that the
structure members can be used / accessed by all icssg driver files.
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240911081603.2521729-2-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- One Intel patch that I mistakedly merged into for-next
despite it belongs in fixes: add Arrow Lake-H/U ACPI
ID so this Arrow Lake chip probes.
- One fix making the CY895x0 reg cache work, which is
good because it makes the device work too.
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Merge tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- One Intel patch that I mistakenly merged into for-next despite it
belonging in fixes: add Arrow Lake-H/U ACPI ID so this Arrow Lake
chip probes.
- One fix making the CY895x0 reg cache work, which is good because it
makes the device work too.
* tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: pinctrl-cy8c95x0: Fix regcache
pinctrl: meteorlake: Add Arrow Lake-H/U ACPI ID
A few last-minute ASoC fixes and MAINTAINERS update.
All look small, obvious and nice-to-have fixes for 6.11-final.
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Merge tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few last-minute ASoC fixes and MAINTAINERS update.
All look small, obvious and nice-to-have fixes for 6.11-final"
* tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: meson: axg-card: fix 'use-after-free'
ASoC: codecs: avoid possible garbage value in peb2466_reg_read()
MAINTAINERS: update Pierre Bossart's email and role
ASoC: tas2781: fix to save the dsp bin file name into the correct array in case name_prefix is not NULL
ASoC: Intel: soc-acpi-intel-mtl-match: add missing empty item
ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item
A few last minute fixes, plus an update for Pierre's contact details and
status. It'd be good to get these into v6.11 (especially the
MAINTAINERS update) but it wouldn't be the end of the world if they
waited for the merge window, none of them are super remarkable and it's
just a question of timing that they're last minute.
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Merge tag 'asoc-fix-v6.11-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.11
A few last minute fixes, plus an update for Pierre's contact details and
status. It'd be good to get these into v6.11 (especially the
MAINTAINERS update) but it wouldn't be the end of the world if they
waited for the merge window, none of them are super remarkable and it's
just a question of timing that they're last minute.
EPROBE_DEFER, which probably wasn't available when this driver was
written, can be used instead of waiting manually.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20240912024903.6201-9-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cleans it up automatically. No need to handle manually.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-6-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Switching to devm management of mii_bus allows to remove
mdiobus_unregister calls and thus avoids needing a mii_bus global struct
member.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-5-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It's the last to go in remove. Safe to let devm handle it.
Also move request_irq to probe for clarity. It's removed in _remove not
close.
Use dev_err_probe instead of printk. Handles EPROBE_DEFER automatically.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-3-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allows to simplify the code slightly. This is safe to do as free_netdev
gets called last.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-2-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Display channel info in the RPM map debugfs output.
With this, cat /sys/kernel/debug/cn10k/rvu_pf_rpm_map
would display channel number for each device in addition to
the existing data.
Sample output:
PCI dev RVU PF Func NIX block rpm LMAC CHAN
0002:02:00.0 0x400 NIX0 rpm0 LMAC0 256
Signed-off-by: Linu Cherian <lcherian@marvell.com>
Link: https://patch.msgid.link/20240912161450.164402-3-lcherian@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-next-for-6.12-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2024-09-11
The first patch is by Uwe Kleine-König targets all CAN platform driver
and switches back the remove function to struct
platform_driver::remove().
A patch by Stefan Mätje fixes the help text of the ESD USB driver.
Jake Hamby's patch masks an unneeded interrupt in the m_can driver.
The last 2 patches target the rockchip_canfd driver. Arnd Bergmann's
patch reworks the delay calculation for the timekeeping worker, a
patch by me fixes the decoding of the error code register.
* tag 'linux-can-next-for-6.12-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: rockchip_canfd: rkcanfd_handle_error_int_reg_ec(): fix decoding of error code register
can: rockchip_canfd: rkcanfd_timestamp_init(): rework delay calculation
can: m_can: m_can_chip_config(): mask timestamp wraparound IRQ
can: usb: Kconfig: Fix list of devices for esd_usb driver
can: Switch back to struct platform_driver::remove()
====================
Link: https://patch.msgid.link/20240912080438.2826895-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Return an error if dma_set_mask_and_coherent() fails. Don't return
success.
Fixes: a36e9f5cfe ("rtase: Add support for a pci table in this module")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/f53ed942-5ac2-424b-a1ed-9473c599905e@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-09-12
Kuniyuki Iwashima's patch fixes an incomplete bug fix in the CAN BCM
protocol, which was introduced during v6.11.
A patch by Stefan Mätje removes the unsupported CAN_CTRLMODE_3_SAMPLES
mode for CAN-USB/3-FD devices in the esd_usb driver.
The next patch is by Martin Jocic and enables 64-bit DMA addressing
for the kvaser_pciefd driver.
The last two patches both affect the m_can driver. Jake Hamby's patch
activates NAPI before interrupts are activated, a patch by me moves
the stopping of the clock after the device has been shut down.
* tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: m_can: m_can_close(): stop clocks after device has been shut down
can: m_can: enable NAPI before enabling interrupts
can: kvaser_pciefd: Enable 64-bit DMA addressing
can: esd_usb: Remove CAN_CTRLMODE_3_SAMPLES for CAN-USB/3-FD
can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().
====================
Link: https://patch.msgid.link/20240912075804.2825408-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Most of the drivers which used this header have been deleted, most
of these code is obsoleted, move the only defines that are actually
used into arch/powerpc/platforms/chrp/pegasos_eth.c and delete the
file completely.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://patch.msgid.link/20240912011949.2726928-1-cuigaosheng1@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Nelson Escobar says:
====================
enic: Report per queue stats
Patch #1: Use a macro instead of static const variables for array sizes. I
didn't want to add more static const variables in the next patch
so clean up the existing ones first.
Patch #2: Collect per queue statistics
Patch #3: Report per queue stats in netdev qstats
Patch #4: Report some per queue stats in ethtool
# NETIF="eno6" tools/testing/selftests/drivers/net/stats.py
KTAP version 1
1..5
ok 1 stats.check_pause # XFAIL pause not supported by the device
ok 2 stats.check_fec # XFAIL FEC not supported by the device
ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
ok 5 stats.check_down
# tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
--dump qstats-get --json '{"ifindex": "34"}'
[{'ifindex': 34,
'rx-bytes': 66762680,
'rx-csum-unnecessary': 1009345,
'rx-hw-drop-overruns': 0,
'rx-hw-drops': 0,
'rx-packets': 1009673,
'tx-bytes': 137936674899,
'tx-csum-none': 125,
'tx-hw-gso-packets': 2408712,
'tx-needs-csum': 2431531,
'tx-packets': 15475466,
'tx-stop': 0,
'tx-wake': 0}]
v2: https://lore.kernel.org/20240905010900.24152-1-neescoba@cisco.com
v1: https://lore.kernel.org/20240823235401.29996-1-neescoba@cisco.com
====================
Link: https://patch.msgid.link/20240912005039.10797-1-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Make 'ethtool -S <intf>' output show some per rq/wq statistics that
don't exist in the netdev qstats.
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-5-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Collect and per rq/wq statistics.
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-3-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In enic_ethtool.c there is no need to use static const variables to store
array sizes when a macro can be used instead.
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-2-neescoba@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ido Schimmel says:
====================
net: fib_rules: Add DSCP selector support
Currently, the kernel rejects IPv4 FIB rules that try to match on the
upper three DSCP bits:
# ip -4 rule add tos 0x1c table 100
# ip -4 rule add tos 0x3c table 100
Error: Invalid tos.
The reason for that is that historically users of the FIB lookup API
only populated the lower three DSCP bits in the TOS field of the IPv4
flow key ('flowi4_tos'), which fits the TOS definition from the initial
IPv4 specification (RFC 791).
This is not very useful nowadays and instead some users want to be able
to match on the six bits DSCP field, which replaced the TOS and IP
precedence fields over 25 years ago (RFC 2474). In addition, the current
behavior differs between IPv4 and IPv6 which does allow users to match
on the entire DSCP field using the TOS selector.
Recent patchsets made sure that callers of the FIB lookup API now
populate the entire DSCP field in the IPv4 flow key. Therefore, it is
now possible to extend FIB rules to match on DSCP.
This is done by adding a new DSCP attribute which is implemented for
both IPv4 and IPv6 to provide user space programs a consistent behavior
between both address families.
The behavior of the old TOS selector is unchanged and IPv4 FIB rules
using it will only match on the lower three DSCP bits. The kernel will
reject rules that try to use both selectors.
Patch #1 adds the new DSCP attribute but rejects its usage.
Patches #2-#3 implement IPv4 and IPv6 support.
Patch #4 allows user space to use the new attribute.
Patches #5-#6 add selftests.
====================
Link: https://patch.msgid.link/20240911093748.3662015-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test that locally generated traffic from a socket that specifies a DS
Field using the IP_TOS / IPV6_TCLASS socket options is correctly
redirected using a FIB rule that matches on DSCP. Add negative tests to
verify that the rule is not it when it should not. Test with both IPv4
and IPv6 and with both TCP and UDP sockets.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-7-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add tests for the new FIB rule DSCP selector. Test with both IPv4 and
IPv6 and with both input and output routes.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-6-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Now that both IPv4 and IPv6 support the new DSCP selector, enable user
space to configure FIB rules that make use of it by changing the policy
of the new DSCP attribute so that it accepts values in the range of [0,
63].
Use NLA_U8 rather than NLA_UINT as the field is of fixed size.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-5-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement support for the new DSCP selector that allows IPv6 FIB rules
to match on the entire DSCP field. This is done despite the fact that
the above can be achieved using the existing TOS selector, so that user
space program will be able to work with IPv4 and IPv6 rules in the same
way.
Differentiate between both selectors by adding a new bit in the IPv6 FIB
rule structure that is only set when the 'FRA_DSCP' attribute is
specified by user space. Reject rules that use both selectors.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-4-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement support for the new DSCP selector that allows IPv4 FIB rules
to match on the entire DSCP field, unlike the existing TOS selector that
only matches on the three lower DSCP bits.
Differentiate between both selectors by adding a new bit in the IPv4 FIB
rule structure (in an existing one byte hole) that is only set when the
'FRA_DSCP' attribute is specified by user space. Reject rules that use
both selectors.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240911093748.3662015-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
