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* net: thunderx: add timestamping supportSunil Goutham2018-01-161-0/+1
| | | | | | | | | | | | | | | This adds timestamping support for both receive and transmit paths. On the receive side no filters are supported i.e either all pkts will get a timestamp appended infront of the packet or none. On the transmit side HW doesn't support timestamp insertion but only generates a separate CQE with transmitted packet's timestamp. Also HW supports only one packet at a time for timestamping on the transmit side. Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: add support for Cavium PTP coprocessorRadoslaw Biernacki2018-01-161-0/+12
| | | | | | | | | | | This patch adds support for the Precision Time Protocol Clocks and Timestamping hardware found on Cavium ThunderX processors. Signed-off-by: Radoslaw Biernacki <rad@semihalf.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* liquidio: Configure switchdev with devlinkVijaya Mohan Guvva2017-11-011-0/+1
| | | | | | | | | | | | Enable and disable switchdev on SRIOV capable LiquidIO NIC with devlink. Create representor netdev for each SRIOV VF function on SRIOV enable and and do the cleanup on SRIOV disable. Signed-off-by: Vijaya Mohan Guvva <vijaya.guvva@cavium.com> Signed-off-by: Satanand Burla <satananda.burla@cavium.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* LiquidIO VF: s/select/imply/ for PTP_1588_CLOCKNicolas Pitre2017-01-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Fix a minor fallout from the merge of the timers and the networking trees. The following error may result if the PTP_1588_CLOCK prerequisites are not available: drivers/built-in.o: In function `ptp_clock_unregister': (.text+0x40e0a5): undefined reference to `pps_unregister_source' drivers/built-in.o: In function `ptp_clock_unregister': (.text+0x40e0cc): undefined reference to `posix_clock_unregister' drivers/built-in.o: In function `ptp_clock_event': (.text+0x40e249): undefined reference to `pps_event' drivers/built-in.o: In function `ptp_clock_register': (.text+0x40e5e1): undefined reference to `pps_register_source' drivers/built-in.o: In function `ptp_clock_register': (.text+0x40e62c): undefined reference to `posix_clock_register' drivers/built-in.o: In function `ptp_clock_register': (.text+0x40e68d): undefined reference to `pps_unregister_source' Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'timers-core-for-linus' of ↵Linus Torvalds2016-12-121-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer updates from Thomas Gleixner: "The time/timekeeping/timer folks deliver with this update: - Fix a reintroduced signed/unsigned issue and cleanup the whole signed/unsigned mess in the timekeeping core so this wont happen accidentaly again. - Add a new trace clock based on boot time - Prevent injection of random sleep times when PM tracing abuses the RTC for storage - Make posix timers configurable for real tiny systems - Add tracepoints for the alarm timer subsystem so timer based suspend wakeups can be instrumented - The usual pile of fixes and updates to core and drivers" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) timekeeping: Use mul_u64_u32_shr() instead of open coding it timekeeping: Get rid of pointless typecasts timekeeping: Make the conversion call chain consistently unsigned timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion alarmtimer: Add tracepoints for alarm timers trace: Update documentation for mono, mono_raw and boot clock trace: Add an option for boot clock as trace clock timekeeping: Add a fast and NMI safe boot clock timekeeping/clocksource_cyc2ns: Document intended range limitation timekeeping: Ignore the bogus sleep time if pm_trace is enabled selftests/timers: Fix spelling mistake "Asyncrhonous" -> "Asynchronous" clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() arm64: dts: rockchip: Arch counter doesn't tick in system suspend clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend posix-timers: Make them configurable posix_cpu_timers: Move the add_device_randomness() call to a proper place timer: Move sys_alarm from timer.c to itimer.c ptp_clock: Allow for it to be optional Kconfig: Regenerate *.c_shipped files after previous changes ...
| * ptp_clock: Allow for it to be optionalNicolas Pitre2016-11-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to break the hard dependency between the PTP clock subsystem and ethernet drivers capable of being clock providers, this patch provides simple PTP stub functions to allow linkage of those drivers into the kernel even when the PTP subsystem is configured out. Drivers must be ready to accept NULL from ptp_clock_register() in that case. And to make it possible for PTP to be configured out, the select statement in those driver's Kconfig menu entries is converted to the new "imply" statement. This way the PTP subsystem may have Kconfig dependencies of its own, such as POSIX_TIMERS, without having to make those ethernet drivers unavailable if POSIX timers are cconfigured out. And when support for POSIX timers is selected again then the default config option for PTP clock support will automatically be adjusted accordingly. The pch_gbe driver is a bit special as it relies on extra code in drivers/ptp/ptp_pch.c. Therefore we let the make process descend into drivers/ptp/ even if PTP_1588_CLOCK is unselected. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Edward Cree <ecree@solarflare.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: John Stultz <john.stultz@linaro.org> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Cc: Paul Bolle <pebolle@tiscali.nl> Cc: linux-kbuild@vger.kernel.org Cc: netdev@vger.kernel.org Cc: Michal Marek <mmarek@suse.com> Link: http://lkml.kernel.org/r/1478841010-28605-4-git-send-email-nicolas.pitre@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | liquidio CN23XX: VF registrationRaghu Vatsavayi2016-11-301-0/+12
|/ | | | | | | | | | Adds support for cn23xx VF probe and registration. Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* liquidio: CN23XX queue definitionsRaghu Vatsavayi2016-08-311-1/+1
| | | | | | | | | | | Add support for cn23xx specific queue definitions and features. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: thunderx: Add RGMII interface type supportSunil Goutham2016-08-131-0/+10
| | | | | | | | | | | | This patch adds RGX/RGMII interface type support to BGX driver. This type of interface is supported by 81xx SOC. CN81XX VNIC has 8 VFs and max possible LMAC interfaces are 9, hence RGMII interface will not work if all DLMs are in BGX mode and all 8 LMACs are enabled Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: Move octeon/octeon_mgmt driver to cavium directory.David Daney2016-03-181-0/+11
| | | | | | | | No code changes. Since OCTEON is a Cavium product, move the driver to the vendor directory to unclutter things a bit. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: cavium: For Kconfig THUNDER_NIC_BGX, select MDIO_THUNDER.David Daney2016-03-161-1/+1
| | | | | | | | Previously we selected MDIO_OCTEON, which after creating the Thunder specific MDIO bus driver is much less useful. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: cavium: change NET_VENDOR_CAVIUM to boolAndreas Schwab2015-10-211-1/+1
| | | | | | | | | CONFIG_NET_VENDOR_CAVIUM is only used to hide/show config options and to include subdirectories in the build, so it doesn't make sense to make it tristate. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2015-08-131-3/+0
|\ | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/cavium/Kconfig The cavium conflict was overlapping dependency changes. Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: thunderx: remove effective "default y" from Kconfig if ARCH_THUNDER=yIan Campbell2015-08-071-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As well as for kernels built only for ThunderX ARCH_THUNDERX is also enabled for kernels which support multiple platforms (such as distro kernels). Thus "default ARCH_THUNDER" is inappropriate. I believe default m is equally frowned upon, so remove the line completely rather than "default m if ARCH_THUNDER". Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: Sunil Goutham <sgoutham@cavium.com> Cc: Robert Richter <rric@kernel.org> Cc: Derek Chickles <derek.chickles@caviumnetworks.com> Cc: Satanand Burla <satananda.burla@caviumnetworks.com> Cc: Felix Manlunas <felix.manlunas@caviumnetworks.com> Cc: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-arm-kernel@lists.infradead.org Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: thunderx: Select CONFIG_MDIO_OCTEON for ThunderX NICRadha Mohan Chintakuntla2015-07-291-0/+2
|/ | | | | | | | The CONFIG_MDIO_OCTEON is required so that the ThunderX NIC driver can talk to the PHY drivers. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Modify Liquidio Kconfig for crc libRaghu Vatsavayi2015-06-211-1/+1
| | | | | | | | | | | Following patch contains changes in liquidio Kconfig for selecting LIBCRC32C. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Fix Cavium Liquidio build related errors and warningsRaghu Vatsavayi2015-06-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) Fixed following sparse warnings: lio_main.c:213:6: warning: symbol 'octeon_droq_bh' was not declared. Should it be static? lio_main.c:233:5: warning: symbol 'lio_wait_for_oq_pkts' was not declared. Should it be static? lio_main.c:3083:5: warning: symbol 'lio_nic_info' was not declared. Should it be static? lio_main.c:2618:16: warning: cast from restricted __be16 octeon_device.c:466:6: warning: symbol 'oct_set_config_info' was not declared. Should it be static? octeon_device.c:573:25: warning: cast to restricted __be32 octeon_device.c:582:29: warning: cast to restricted __be32 octeon_device.c:584:39: warning: cast to restricted __be32 octeon_device.c:594:13: warning: cast to restricted __be32 octeon_device.c:596:25: warning: cast to restricted __be32 octeon_device.c:613:25: warning: cast to restricted __be32 octeon_device.c:614:29: warning: cast to restricted __be64 octeon_device.c:615:29: warning: cast to restricted __be32 octeon_device.c:619:37: warning: cast to restricted __be32 octeon_device.c:623:33: warning: cast to restricted __be32 cn66xx_device.c:540:6: warning: symbol 'lio_cn6xxx_get_pcie_qlmport' was not declared. Should it be s octeon_mem_ops.c:181:16: warning: cast to restricted __be64 octeon_mem_ops.c:190:16: warning: cast to restricted __be32 octeon_mem_ops.c:196:17: warning: incorrect type in initializer 2) Fix build errors corresponding to vmalloc on linux-next 4.1. 3) Liquidio now supports 64 bit only, modified Kconfig accordingly. 4) Fix some code alignment issues based on kernel build warnings. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Add support of Cavium Liquidio ethernet adaptersRaghu Vatsavayi2015-06-101-11/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Following patch V8 adds support for Cavium Liquidio pci express based 10Gig ethernet adapters. 1) Consolidated all debug macros to either call dev_* or netdev_* macros directly, feedback from previous patch. 2) Changed soft commands to avoid crash when running in interrupt context. 3) Fixed link status not reflecting correct status when NetworkManager is running. Added MODULE_FIRMWARE declarations. Following were the previous patches. Patch V7: 1) Minor comments from v6 release regarding debug statements. 2) Fix for large multicast lists. 3) Fixed lockup issue if port initialization fails. 4) Enabled MSI by default. https://patchwork.ozlabs.org/patch/464441/ Patch V6: 1) Addressed the uint64 vs u64 issue, feedback from previous patch. 2) Consolidated some receive processing routines. 3) Removed link status polling method. https://patchwork.ozlabs.org/patch/459514/ Patch V5: Based on the feedback from earlier patches with regards to consolidation of common functions like device init, register programming for cn66xx and cn68xx devices. https://patchwork.ozlabs.org/patch/438979/ Patch V4: Following were the changes based on the feedback from earlier patch: 1) Added mmiowb while synchronizing queue updates and other hw interactions. 2) Statistics will now be incremented non-atomically per each ring. liquidio_get_stats will add stats of each ring while reporting the total statistics counts. 3) Modified liquidio_ioctl to return proper return codes. 4) Modified device naming to use standard Ethernet naming. 5) Global function names in the driver will have lio_/liquidio_/octeon_ prefix. 6) Ethtool related changes for: Removed redundant stats and jiffies. Use default ethtool handler of link status. Speed setting will make use of ethtool_cmd_speed_set. 7) Added checks for pci_map_* return codes. 8) Check for signals while waiting in interruptible mode https://patchwork.ozlabs.org/patch/435073/ Patch v3: Implemented feedback from previous patch like: Removed NAPI Config and DEBUG config options, added BQL and xmit_more support. https://patchwork.ozlabs.org/patch/422749/ Patch V2: Implemented feedback from previous patch. https://patchwork.ozlabs.org/patch/413539/ First Patch: https://patchwork.ozlabs.org/patch/412946/ Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Robert Richter <Robert.Richter@caviumnetworks.com> Signed-off-by: Aleksey Makarov <Aleksey.Makarov@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: thunderx: add 64-bit dependencyArnd Bergmann2015-05-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | The thunderx ethernet driver fails to build on architectures that do not have an atomic readq() and writeq() function for 64-bit PCI bus access: drivers/net/ethernet/cavium/thunder/thunder_bgx.c: In function 'bgx_reg_read': include/asm-generic/io.h:195:23: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration] It seems impossible to get this driver to work on most 32-bit hardware, so it's better to add an explicit dependency, in order to let us keep building 'allmodconfig' kernels on all architectures. As the driver is meant for the internal hardware on an arm64 SoC, this is not a problem for usability. Allowing the build on all 64-bit architectures rather than just CONFIG_ARM64 on the other hand means that we get the benefit of build testing on x86. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Adding support for Cavium ThunderX network controllerSunil Goutham2015-05-271-0/+40
This patch adds support for the Cavium ThunderX network controller. The driver is on the pci bus and thus requires the Thunder PCIe host controller driver to be enabled. Signed-off-by: Maciej Czekaj <mjc@semihalf.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@caviumnetworks.com> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Kamil Rytarowski <kamil@semihalf.com> Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@caviumnetworks.com> Signed-off-by: Sruthi Vangala <svangala@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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