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2023-08-27Linux 6.5Linus Torvalds1-1/+1
2023-08-27Merge tag 'scsi-fixes' of ↵Linus Torvalds5-57/+6
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three small driver fixes and one larger unused function set removal in the raid class (so no external impact)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: snic: Fix double free in snic_tgt_create() scsi: core: raid_class: Remove raid_component_add() scsi: ufs: ufs-qcom: Clear qunipro_g4_sel for HW major version > 5 scsi: ufs: mcq: Fix the search/wrap around logic
2023-08-27Merge branch 'iep-drver-timestamping-support'David S. Miller10-8/+1572
MD Danish Anwar says: ==================== Introduce IEP driver and packet timestamping support This series introduces Industrial Ethernet Peripheral (IEP) driver to support timestamping of ethernet packets and thus support PTP and PPS for PRU ICSSG ethernet ports. This series also adds 10M full duplex support for ICSSG ethernet driver. There are two IEP instances. IEP0 is used for packet timestamping while IEP1 is used for 10M full duplex support. This is v7 of the series [v1]. It addresses comments made on [v6]. This series is based on linux-next(#next-20230823). Changes from v6 to v7: *) Dropped blank line in example section of patch 1. *) Patch 1 previously had three examples, removed two examples and kept only one example as asked by Krzysztof. *) Added Jacob Keller's RB tag in patch 5. *) Dropped Roger's RB tags from the patches that he has authored (Patch 3 and 4) Changes from v5 to v6: *) Added description of IEP in commit messages of patch 2 as asked by Rob. *) Described the items constraints properly for iep property in patch 2 as asked by Rob. *) Added Roger and Simon's RB tags. Changes from v4 to v5: *) Added comments on why we are using readl / writel instead of regmap_read() / write() in icss_iep_gettime() / settime() APIs as asked by Roger. *) Added Conor's RB tag in patch 1 and 2. Change from v3 to v4: *) Changed compatible in iep dt bindings. Now each SoC has their own compatible in the binding with "ti,am654-icss-iep" as a fallback as asked by Conor. *) Addressed Andew's comments and removed helper APIs icss_iep_readl() / writel(). Now the settime/gettime APIs directly use readl() / writel(). *) Moved selecting TI_ICSS_IEP in Kconfig from patch 3 to patch 4. *) Removed forward declaration of icss_iep_of_match in patch 3. *) Replaced use of of_device_get_match_data() to device_get_match_data() in patch 3. *) Removed of_match_ptr() from patch 3 as it is not needed. Changes from v2 to v3: *) Addressed Roger's comment and moved IEP1 related changes in patch 5. *) Addressed Roger's comment and moved icss_iep.c / .h changes from patch 4 to patch 3. *) Added support for multiple timestamping in patch 4 as asked by Roger. *) Addressed Andrew's comment and added comment in case SPEED_10 in icssg_config_ipg() API. *) Kept compatible as "ti,am654-icss-iep" for all TI K3 SoCs Changes from v1 to v2: *) Addressed Simon's comment to fix reverse xmas tree declaration. Some APIs in patch 3 and 4 were not following reverse xmas tree variable declaration. Fixed it in this version. *) Addressed Conor's comments and removed unsupported SoCs from compatible comment in patch 1. *) Addded patch 2 which was not part of v1. Patch 2, adds IEP node to dt bindings for ICSSG. [v1] https://lore.kernel.org/all/[email protected]/ [v2] https://lore.kernel.org/all/[email protected]/ [v3] https://lore.kernel.org/all/[email protected]/ [v4] https://lore.kernel.org/all/[email protected]/ [v5] https://lore.kernel.org/all/[email protected]/ [v6] https://lore.kernel.org/all/[email protected]/ ==================== Signed-off-by: David S. Miller <[email protected]>
2023-08-27net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex supportGrygorii Strashko5-2/+62
For AM65x SR2.0 it's required to enable IEP1 in raw 64bit mode which is used by PRU FW to monitor the link and apply w/a for 10M link issue. Note. No public errata available yet. Without this w/a the PRU FW will stuck if link state changes under TX traffic pressure. Hence, add support for 10M full duplex for AM65x SR2.0: - add new IEP API to enable IEP, but without PTP support - add pdata quirk_10m_link_issue to enable 10M link issue w/a. Signed-off-by: Grygorii Strashko <[email protected]> Signed-off-by: Vignesh Raghavendra <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Reviewed-by: Simon Horman <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Signed-off-by: MD Danish Anwar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27net: ti: icssg-prueth: add packet timestamping and ptp supportRoger Quadros5-6/+467
Add packet timestamping TS and PTP PHC clock support. For AM65x and AM64x: - IEP1 is not used - IEP0 is configured in shadow mode with 1ms cycle and shared between Linux and FW. It provides time and TS in number cycles, so special conversation in ns is required. - IEP0 shared between PRUeth ports. - IEP0 supports PPS, periodic output. - IEP0 settime() and enabling PPS required FW interraction. - RX TS provided with each packet in CPPI5 descriptor. - TX TS returned through separate ICSSG hw queues for each port. TX TS readiness is signaled by INTC IRQ. Only one packet at time can be requested for TX TS. Signed-off-by: Roger Quadros <[email protected]> Co-developed-by: Grygorii Strashko <[email protected]> Signed-off-by: Grygorii Strashko <[email protected]> Signed-off-by: Vignesh Raghavendra <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: MD Danish Anwar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27net: ti: icss-iep: Add IEP driverRoger Quadros4-0/+989
Add a driver for Industrial Ethernet Peripheral (IEP) block of PRUSS to support timestamping of ethernet packets and thus support PTP and PPS for PRU ethernet ports. Signed-off-by: Roger Quadros <[email protected]> Signed-off-by: Lokesh Vutla <[email protected]> Signed-off-by: Murali Karicheri <[email protected]> Signed-off-by: Vignesh Raghavendra <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: MD Danish Anwar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27dt-bindings: net: Add IEP property in ICSSGMD Danish Anwar1-0/+9
Add IEP property in ICSSG hardware DT binding document. ICSSG uses IEP (Industrial Ethernet Peripheral) to support timestamping of ethernet packets, PTP and PPS. Reviewed-by: Conor Dooley <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: MD Danish Anwar <[email protected]> Reviewed-by: Rob Herring <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27dt-bindings: net: Add ICSS IEPMD Danish Anwar1-0/+45
Add a DT binding document for the ICSS Industrial Ethernet Peripheral(IEP) hardware. IEP supports packet timestamping, PTP and PPS. Reviewed-by: Conor Dooley <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: MD Danish Anwar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27Merge branch 'sfc-pedit-offloads'David S. Miller4-13/+614
Pieter Jansen van Vuuren says: ==================== sfc: introduce eth, ipv4 and ipv6 pedit offloads This set introduces mac source and destination pedit set action offloads. It also adds offload for ipv4 ttl and ipv6 hop limit pedit set action as well pedit add actions that would result in the same semantics as decrementing the ttl and hop limit. v2: - fix 'efx_tc_mangle' kdoc which was orphaned when adding 'efx_tc_pedit_add'. - add description of 'match' in 'efx_tc_mangle' kdoc. - correct some inconsistent kdoc indentation. v1: https://lore.kernel.org/netdev/[email protected]/ ==================== Reviewed-by: Simon Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: extend pedit add action to handle decrement ipv6 hop limitPieter Jansen van Vuuren1-0/+25
Extend the pedit add actions to handle this case for ipv6. Similar to ipv4 dec ttl, decrementing ipv6 hop limit can be achieved by adding 0xff to the hop limit field. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: introduce pedit add actions on the ipv4 ttl fieldPieter Jansen van Vuuren1-0/+46
Introduce pedit add actions and use it to achieve decrement ttl offload. Decrement ttl can be achieved by adding 0xff to the ttl field. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: add decrement ipv6 hop limit by offloading set hop limit actionsPieter Jansen van Vuuren1-0/+59
Offload pedit set ipv6 hop limit, where the hop limit has already been matched and the new value is one less, by translating it to a decrement. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: add decrement ttl by offloading set ipv4 ttl actionsPieter Jansen van Vuuren3-4/+79
Offload pedit set ipv4 ttl field, where the ttl field has already been matched and the new value is one less, by translating it to a decrement. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: add mac source and destination pedit action offloadPieter Jansen van Vuuren1-2/+207
Introduce the first pedit set offload functionality for the sfc driver. In addition to this, add offload functionality for both mac source and destination pedit set actions. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-27sfc: introduce ethernet pedit set action infrastructurePieter Jansen van Vuuren4-11/+202
Introduce the initial ethernet pedit set action infrastructure in preparation for adding mac src and dst pedit action offloads. Co-developed-by: Edward Cree <[email protected]> Signed-off-by: Edward Cree <[email protected]> Signed-off-by: Pieter Jansen van Vuuren <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-26Merge tag 'x86-urgent-2023-08-26' of ↵Linus Torvalds3-3/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Fix an FPU invalidation bug on exec(), and fix a performance regression due to a missing setting of X86_FEATURE_OSXSAVE" * tag 'x86-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Set X86_FEATURE_OSXSAVE feature after enabling OSXSAVE in CR4 x86/fpu: Invalidate FPU state correctly on exec()
2023-08-26Merge tag 'irq-urgent-2023-08-26' of ↵Linus Torvalds1-1/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Thomas Gleixner: "A last minute fix for a regression introduced in the v6.5 merge window. The conversion of the software based interrupt resend mechanism to hlist missed to add a check whether the descriptor is already enqueued and dropped the interrupt descriptor lookup for nested interrupts. The missing check whether the descriptor is already queued causes hlist corruption and can be observed in the wild. The dropped parent descriptor lookup has not yet caused problems, but it would result in stale interrupt line in the worst case. Add the missing enqueued check and bring the descriptor lookup back to cure this" * tag 'irq-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Fix software resend lockup and nested resend
2023-08-26Merge tag 'loongarch-fixes-6.5-2' of ↵Linus Torvalds22-38/+42
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch fixes from Huacai Chen: "Fix a ptrace bug, a hw_breakpoint bug, some build errors/warnings and some trivial cleanups" * tag 'loongarch-fixes-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: Fix hw_breakpoint_control() for watchpoints LoongArch: Ensure FP/SIMD registers in the core dump file is up to date LoongArch: Put the body of play_dead() into arch_cpu_idle_dead() LoongArch: Add identifier names to arguments of die() declaration LoongArch: Return earlier in die() if notify_die() returns NOTIFY_STOP LoongArch: Do not kill the task in die() if notify_die() returns NOTIFY_STOP LoongArch: Remove <asm/export.h> LoongArch: Replace #include <asm/export.h> with #include <linux/export.h> LoongArch: Remove unneeded #include <asm/export.h> LoongArch: Replace -ffreestanding with finer-grained -fno-builtin's LoongArch: Remove redundant "source drivers/firmware/Kconfig"
2023-08-26genirq: Fix software resend lockup and nested resendJohan Hovold1-1/+6
The switch to using hlist for managing software resend of interrupts broke resend in at least two ways: First, unconditionally adding interrupt descriptors to the resend list can corrupt the list when the descriptor in question has already been added. This causes the resend tasklet to loop indefinitely with interrupts disabled as was recently reported with the Lenovo ThinkPad X13s after threaded NAPI was disabled in the ath11k WiFi driver. This bug is easily fixed by restoring the old semantics of irq_sw_resend() so that it can be called also for descriptors that have already been marked for resend. Second, the offending commit also broke software resend of nested interrupts by simply discarding the code that made sure that such interrupts are retriggered using the parent interrupt. Add back the corresponding code that adds the parent descriptor to the resend list. Fixes: bc06a9e08742 ("genirq: Use hlist for managing resend handlers") Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/lkml/[email protected]/ Link: https://lore.kernel.org/r/[email protected]
2023-08-26LoongArch: Fix hw_breakpoint_control() for watchpointsHuacai Chen1-2/+1
In hw_breakpoint_control(), encode_ctrl_reg() has already encoded the MWPnCFG3_LoadEn/MWPnCFG3_StoreEn bits in info->ctrl. We don't need to add (1 << MWPnCFG3_LoadEn | 1 << MWPnCFG3_StoreEn) unconditionally. Otherwise we can't set read watchpoint and write watchpoint separately. Cc: [email protected] Signed-off-by: Huacai Chen <[email protected]>
2023-08-26LoongArch: Ensure FP/SIMD registers in the core dump file is up to dateHuacai Chen2-4/+22
This is a port of commit 379eb01c21795edb4c ("riscv: Ensure the value of FP registers in the core dump file is up to date"). The values of FP/SIMD registers in the core dump file come from the thread.fpu. However, kernel saves the FP/SIMD registers only before scheduling out the process. If no process switch happens during the exception handling, kernel will not have a chance to save the latest values of FP/SIMD registers. So it may cause their values in the core dump file incorrect. To solve this problem, force fpr_get()/simd_get() to save the FP/SIMD registers into the thread.fpu if the target task equals the current task. Cc: [email protected] Signed-off-by: Huacai Chen <[email protected]>
2023-08-26x86/microcode: Remove remaining references to CONFIG_MICROCODE_AMDLukas Bulwahn3-4/+2
Commit e6bcfdd75d53 ("x86/microcode: Hide the config knob") removed the MICROCODE_AMD config, but left some references in defconfigs and comments, that have no effect on any kernel build around. Clean up those remaining config references. No functional change. Signed-off-by: Lukas Bulwahn <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Cc: Borislav Petkov (AMD) <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2023-08-25Merge branch '1GbE' of ↵Jakub Kicinski11-64/+210
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2023-08-24 (igc, e1000e) This series contains updates to igc and e1000e drivers. Vinicius adds support for utilizing multiple PTP registers on igc. Sasha reduces interval time for PTM on igc and adds new device support on e1000e. * '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: e1000e: Add support for the next LOM generation igc: Decrease PTM short interval from 10 us to 1 us igc: Add support for multiple in-flight TX timestamps ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25Merge branch 'pds_core-error-handling-fixes'Jakub Kicinski3-10/+13
Shannon Nelson says: ==================== pds_core: error handling fixes Some fixes for better handling of broken states. ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25pds_core: pass opcode to devcmd_waitShannon Nelson1-5/+2
Don't rely on the PCI memory for the devcmd opcode because we read a 0xff value if the PCI bus is broken, which can cause us to report a bogus dev_cmd opcode later. Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces") Signed-off-by: Shannon Nelson <[email protected]> Reviewed-by: Brett Creeley <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25pds_core: check for work queue before useShannon Nelson1-1/+1
Add a check that the wq exists before queuing up work for a failed devcmd, as the PF is responsible for health and the VF doesn't have a wq. Fixes: c2dbb0904310 ("pds_core: health timer and workqueue") Signed-off-by: Shannon Nelson <[email protected]> Reviewed-by: Brett Creeley <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25pds_core: no reset command for VFShannon Nelson1-1/+2
The VF doesn't need to send a reset command, and in a PCI reset scenario it might not have a valid IO space to write to anyway. Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces") Signed-off-by: Shannon Nelson <[email protected]> Reviewed-by: Brett Creeley <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25pds_core: no health reporter in VFShannon Nelson1-3/+5
Make sure the health reporter is set up before we use it in our devlink health updates, especially since the VF doesn't set up the health reporter. Fixes: 25b450c05a49 ("pds_core: add devlink health facilities") Signed-off-by: Shannon Nelson <[email protected]> Reviewed-by: Brett Creeley <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25pds_core: protect devlink callbacks from fw_down stateShannon Nelson1-0/+3
Don't access structs that have been cleared when in the fw_down state and the various structs have been cleaned and are waiting to recover. This caused a panic on rmmod when already in fw_down and devlink_param_unregister() tried to check the parameters. Fixes: 40ced8944536 ("pds_core: devlink params for enabling VIF support") Signed-off-by: Shannon Nelson <[email protected]> Reviewed-by: Brett Creeley <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25doc/netlink: Add delete operation to ovs_vport specDonald Hunter1-1/+12
Add del operation to the spec to help with testing. Signed-off-by: Donald Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net/sched: sch_hfsc: Ensure inner classes have fsc curveBudimir Markovic1-0/+4
HFSC assumes that inner classes have an fsc curve, but it is currently possible for classes without an fsc curve to become parents. This leads to bugs including a use-after-free. Don't allow non-root classes without HFSC_FSC to become parents. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: Budimir Markovic <[email protected]> Signed-off-by: Budimir Markovic <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25sfc: Check firmware supports Ethernet PTP filterAlex Austin1-1/+3
Not all firmware variants support RSS filters. Do not fail all PTP functionality when raw ethernet PTP filters fail to insert. Fixes: e4616f64726b ("sfc: support PTP over Ethernet") Signed-off-by: Alex Austin <[email protected]> Acked-by: Edward Cree <[email protected]> Reviewed-by: Pieter Jansen van Vuuren <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25tools: ynl-gen: fix uAPI generation after tempfile changesJakub Kicinski1-10/+20
We use a tempfile for code generation, to avoid wiping the target file out if the code generator crashes. File contents are copied from tempfile to actual destination at the end of main(). uAPI generation is relatively simple so when generating the uAPI header we return from main() early, and never reach the "copy code over" stage. Since commit under Fixes uAPI headers are not updated by ynl-gen. Move the copy/commit of the code into CodeWriter, to make it easier to call at any point in time. Hook it into the destructor to make sure we don't miss calling it. Fixes: f65f305ae008 ("tools: ynl-gen: use temporary file for rendering") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25Merge branch 'stmmac-cleanups'Jakub Kicinski9-39/+70
Russell King says: ==================== stmmac cleanups One of the comments I had on Feiyang Chen's series was concerning the initialisation of phylink... and so I've decided to do something about it, cleaning it up a bit. This series: 1) adds a new phylink function to limit the MAC capabilities according to a maximum speed. This allows us to greatly simplify stmmac's initialisation of phylink's mac capabilities. 2) everywhere that uses priv->plat->phylink_node first converts this to a fwnode before doing anything with it. This is silly. Let's instead store it as a fwnode to eliminate these conversions in multiple places. 3) clean up passing the fwnode to phylink - it might as well happen at the phylink_create() callsite, rather than being scattered throughout the entire function. 4) same for mdio_bus_data 5) use phylink_limit_mac_speed() to handle the priv->plat->max_speed restriction. 6) add a method to get the MAC-specific capabilities from the code dealing with the MACs, and arrange to call it at an appropriate time. 7) convert the gmac4 users to use the MAC specific method. 8) same for xgmac. 9) group all the simple phylink_config initialisations together. 10) convert half-duplex logic to being positive logic. While looking into all of this, this raised eyebrows: if (priv->plat->tx_queues_to_use > 1) priv->phylink_config.mac_capabilities &= ~(MAC_10HD | MAC_100HD | MAC_1000HD); priv->plat->tx_queues_to_use is initialised by platforms to either 1, 4 or 8, and can be controlled from userspace via the --set-channels ethtool op. The implementation of this op in this driver limits the number of channels to priv->dma_cap.number_tx_queues, which is derived from the DMA hwcap. So, the obvious questions are: 1) what guarantees that the static initialisation of tx_queues_to_use will always be less than or equal to number_tx_queues from the DMA hw cap? 2) tx_queues_to_use starts off as 1, but number_tx_queues is larger, we will leave the half-duplex capabilities in place, but userspace can increase tx_queues_to_use above 1. Does that mean half-duplex is then not supported? 3) Should we be basing the decision whether half-duplex is supported off the DMA capabilities? 4) What about priv->dma_cap.half_duplex? Doesn't that get a say in whether half-duplex is supported or not? Why isn't this used? Why is it only reported via debugfs? If it's not being used by the driver, what's the point of reporting it via debugfs? ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: convert half-duplex support to positive logicRussell King (Oracle)1-6/+7
Rather than detecting when half-duplex is not supported, and clearing the MAC capabilities, reverse the if() condition and use it to set the capabilities instead. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: move priv->phylink_config.mac_managed_pmRussell King (Oracle)1-1/+1
Move priv->phylink_config.mac_managed_pm to be along side the other phylink initialisations. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: move xgmac specific phylink caps to dwxgmac2 coreRussell King (Oracle)2-10/+10
Move the xgmac specific phylink capabilities to the dwxgmac2 support core. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: move gmac4 specific phylink capabilities to gmac4Russell King (Oracle)2-3/+9
Move the setup of gmac4 speicifc phylink capabilities into gmac4 code. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: provide stmmac_mac_phylink_get_caps()Russell King (Oracle)2-0/+7
Allow MACs to provide their own capabilities via the MAC operations struct. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: use phylink_limit_mac_speed()Russell King (Oracle)1-21/+14
Use phylink_limit_mac_speed() to limit the MAC capabilities rather than coding this for each speed. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: use "mdio_bus_data" local variableRussell King (Oracle)1-2/+4
We have a local variable for priv->plat->mdio_bus_data, which we use later in the conditional if() block, but we evaluate the above within the conditional expression. Use mdio_bus_data instead. Since these will be the only two users of this local variable, move its assignment just before the if(). Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: clean up passing fwnode to phylinkRussell King (Oracle)1-4/+5
Move the initialisation of the fwnode variable closer to its use site, rather than scattered throughout stmmac_phy_setup(). Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: stmmac: convert plat->phylink_node to fwnodeRussell King (Oracle)4-5/+6
All users of plat->phylink_node first convert it to a fwnode. Rather than repeatedly convert to a fwnode, store it as a fwnode. To reflect this change, call it plat->port_node instead - it is used for more than just phylink. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25net: phylink: add phylink_limit_mac_speed()Russell King (Oracle)2-0/+20
Add a function which can be used to limit the phylink MAC capabilities to an upper speed limit. Signed-off-by: Russell King (Oracle) <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25veth: Avoid NAPI scheduling on failed SKB forwardingLiang Chen1-3/+2
When an skb fails to be forwarded to the peer(e.g., skb data buffer length exceeds MTU), it will not be added to the peer's receive queue. Therefore, we should schedule the peer's NAPI poll function only when skb forwarding is successful to avoid unnecessary overhead. Signed-off-by: Liang Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25Merge branch 'fix-pfc-related-issues'Jakub Kicinski3-21/+16
Suman Ghosh says: ==================== Fix PFC related issues This patchset fixes multiple PFC related issues related to Octeon. Patch #1: octeontx2-pf: Fix PFC TX scheduler free Patch #2: octeontx2-af: CN10KB: fix PFC configuration Patch #3: octeonxt2-pf: Fix backpressure config for multiple PFC priorities to work simultaneously ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25cteonxt2-pf: Fix backpressure config for multiple PFC priorities to work ↵Suman Ghosh1-3/+3
simultaneously MAC (CGX or RPM) asserts backpressure at TL3 or TL2 node of the egress hierarchical scheduler tree depending on link level config done. If there are multiple PFC priorities enabled at a time and for all such flows to backoff, each priority will have to assert backpressure at different TL3/TL2 scheduler nodes and these flows will need to submit egress pkts to these nodes. Current PFC configuration has an issue where in only one backpressure scheduler node is being allocated which is resulting in only one PFC priority to work. This patch fixes this issue. Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support") Signed-off-by: Suman Ghosh <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25octeontx2-af: CN10KB: fix PFC configurationHariprasad Kelam1-8/+9
Suppose user has enabled pfc with prio 0,1 on a PF netdev(eth0) dcb pfc set dev eth0 prio-pfc o:on 1:on later user enabled pfc priorities 2 and 3 on the VF interface(eth1) dcb pfc set dev eth1 prio-pfc 2:on 3:on Instead of enabling pfc on all priorities (0..3), the driver only enables on priorities 2,3. This patch corrects the issue by using the proper CSR address. Fixes: b9d0fedc6234 ("octeontx2-af: cn10kb: Add RPM_USX MAC support") Signed-off-by: Hariprasad Kelam <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25octeontx2-pf: Fix PFC TX scheduler freeSuman Ghosh2-11/+5
During PFC TX schedulers free, flag TXSCHQ_FREE_ALL was being set which caused free up all schedulers other than the PFC schedulers. This patch fixes that to free only the PFC Tx schedulers. Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support") Signed-off-by: Suman Ghosh <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-25Merge tag 'for-netdev' of ↵Jakub Kicinski104-4212/+3719
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2023-08-25 We've added 87 non-merge commits during the last 8 day(s) which contain a total of 104 files changed, 3719 insertions(+), 4212 deletions(-). The main changes are: 1) Add multi uprobe BPF links for attaching multiple uprobes and usdt probes, which is significantly faster and saves extra fds, from Jiri Olsa. 2) Add support BPF cpu v4 instructions for arm64 JIT compiler, from Xu Kuohai. 3) Add support BPF cpu v4 instructions for riscv64 JIT compiler, from Pu Lehui. 4) Fix LWT BPF xmit hooks wrt their return values where propagating the result from skb_do_redirect() would trigger a use-after-free, from Yan Zhai. 5) Fix a BPF verifier issue related to bpf_kptr_xchg() with local kptr where the map's value kptr type and locally allocated obj type mismatch, from Yonghong Song. 6) Fix BPF verifier's check_func_arg_reg_off() function wrt graph root/node which bypassed reg->off == 0 enforcement, from Kumar Kartikeya Dwivedi. 7) Lift BPF verifier restriction in networking BPF programs to treat comparison of packet pointers not as a pointer leak, from Yafang Shao. 8) Remove unmaintained XDP BPF samples as they are maintained in xdp-tools repository out of tree, from Toke Høiland-Jørgensen. 9) Batch of fixes for the tracing programs from BPF samples in order to make them more libbpf-aware, from Daniel T. Lee. 10) Fix a libbpf signedness determination bug in the CO-RE relocation handling logic, from Andrii Nakryiko. 11) Extend libbpf to support CO-RE kfunc relocations. Also follow-up fixes for bpf_refcount shared ownership implementation, both from Dave Marchevsky. 12) Add a new bpf_object__unpin() API function to libbpf, from Daniel Xu. 13) Fix a memory leak in libbpf to also free btf_vmlinux when the bpf_object gets closed, from Hao Luo. 14) Small error output improvements to test_bpf module, from Helge Deller. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (87 commits) selftests/bpf: Add tests for rbtree API interaction in sleepable progs bpf: Allow bpf_spin_{lock,unlock} in sleepable progs bpf: Consider non-owning refs to refcounted nodes RCU protected bpf: Reenable bpf_refcount_acquire bpf: Use bpf_mem_free_rcu when bpf_obj_dropping refcounted nodes bpf: Consider non-owning refs trusted bpf: Ensure kptr_struct_meta is non-NULL for collection insert and refcount_acquire selftests/bpf: Enable cpu v4 tests for RV64 riscv, bpf: Support unconditional bswap insn riscv, bpf: Support signed div/mod insns riscv, bpf: Support 32-bit offset jmp insn riscv, bpf: Support sign-extension mov insns riscv, bpf: Support sign-extension load insns riscv, bpf: Fix missing exception handling and redundant zext for LDX_B/H/W samples/bpf: Add note to README about the XDP utilities moved to xdp-tools samples/bpf: Cleanup .gitignore samples/bpf: Remove the xdp_sample_pkts utility samples/bpf: Remove the xdp1 and xdp2 utilities samples/bpf: Remove the xdp_rxq_info utility samples/bpf: Remove the xdp_redirect* utilities ... ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>