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2019-08-08mlxsw: spectrum: Extend to support Spectrum-3 ASICJiri Pirko1-3/+3
Extend existing driver for Spectrum and Spectrum-2 ASICs to support Spectrum-3 ASIC as well. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01mlxsw: spectrum: PTP: Support timestamping on Spectrum-1Petr Machata1-0/+1
On Spectrum-1, timestamps arrive through a pair of dedicated events: MLXSW_TRAP_ID_PTP_ING_FIFO and _EGR_FIFO. The payload delivered with those traps is contents of the timestamp FIFO at a given port in a given direction. Add a Spectrum-1-specific handler for these two events which decodes the timestamps and forwards them to the PTP module. Add a function that parses a packet, dispatching to ptp_classify_raw(), and decodes PTP message type, domain number, and sequence ID. Add a new mlxsw dependency on the PTP classifier. Add helpers that can store and retrieve unmatched timestamps and SKBs to the hash table added in a preceding patch. Add the matching code itself: upon arrival of a timestamp or a packet, look up the corresponding unmatched entry, and match it up. If there is none, add a new unmatched entry. This logic is the same on ingress as on egress. Packets and timestamps that never matched need to be eventually disposed of. A garbage collector added in a follow-up patch will take care of that. Since currently all this code is turned off, no crud will accumulate in the hash table. Signed-off-by: Petr Machata <petrm@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-13mlxsw: spectrum_ptp: Add implementation for physical hardware clock operationsShalom Toledo1-0/+1
Implement physical hardware clock operations. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-16Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linuxLinus Torvalds1-1/+0
Pull thermal management updates from Zhang Rui: - Remove the 'module' Kconfig option for thermal subsystem framework because the thermal framework are required to be ready as early as possible to avoid overheat at boot time (Daniel Lezcano) - Fix a bug that thermal framework pokes disabled thermal zones upon resume (Wei Wang) - A couple of cleanups and trivial fixes on int340x thermal drivers (Srinivas Pandruvada, Zhang Rui, Sumeet Pawnikar) * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: drivers: thermal: processor_thermal: Downgrade error message mlxsw: Remove obsolete dependency on THERMAL=m hwmon/drivers/core: Simplify complex dependency thermal/drivers/core: Fix typo in the option name thermal/drivers/core: Remove depends on THERMAL in Kconfig thermal/drivers/core: Remove module unload code thermal/drivers/core: Remove the module Kconfig's option thermal: core: skip update disabled thermal zones after suspend thermal: make device_register's type argument const thermal: intel: int340x: processor_thermal_device: simplify to get driver data thermal/int3403_thermal: favor _TMP instead of PTYP
2019-05-06mlxsw: Remove obsolete dependency on THERMAL=mGeert Uytterhoeven1-1/+0
The THERMAL configuration option was changed from tristate to bool, but a dependency on THERMAL=m was forgotten, leading to a warning when running "make savedefconfig": boolean symbol THERMAL tested for 'm'? test forced to 'n' Fixes: be33e4fbbea581ea ("thermal/drivers/core: Remove the module Kconfig's option") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2019-03-24net: devlink: select NET_DEVLINK from driversJiri Pirko1-0/+1
Some drivers are becoming more dependent on NET_DEVLINK being selected in configuration. With upcoming compat functions, the behavior would be wrong in case devlink was not compiled in. So make the drivers select NET_DEVLINK and rely on the functions being there, not just stubs. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-26net: devlink: turn devlink into a built-inJakub Kicinski1-1/+0
Being able to build devlink as a module causes growing pains. First all drivers had to add a meta dependency to make sure they are not built in when devlink is built as a module. Now we are struggling to invoke ethtool compat code reliably. Make devlink code built-in, users can still not build it at all but the dynamically loadable module option is removed. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-08mlxsw: spectrum: Add VXLAN dependency for spectrumIdo Schimmel1-0/+1
When VXLAN is a loadable module, MLXSW_SPECTRUM must not be built-in: drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c:2547: undefined reference to `vxlan_fdb_find_uc' Add Kconfig dependency to enforce usable configurations. Fixes: 1231e04f5bba ("mlxsw: spectrum_switchdev: Add support for VxLAN encapsulation") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: kbuild test robot <lkp@intel.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15mlxsw: spectrum: acl_erp: Convert to use objagg for tracking ERPsJiri Pirko1-0/+1
Currently the ERPs are tracked internally in a hashtable. Benefit from the newly introduced objagg library and use it to track ERPs. At this point, there is no nesting of objects done, as the delta_create callback always returns -EOPNOTSUPP. On the way, add "mask" into ERP mask get and set functions and struct names. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-25mlxsw: spectrum_acl: Implement common eRP coreIdo Schimmel1-0/+1
When rules are inserted into the A-TCAM they are associated with a mask, which is part of the lookup key: { masked key, mask ID, region ID }. These masks are called rule patterns (RP) and the aggregation of several masks into one (to be introduced in follow-up patch sets) is called an extended RP (eRP). When a packet undergoes a lookup in an ACL region it is masked by the current set of eRPs used by the region, looking for an exact match. Eventually, the rule with the highest priority is picked. These eRPs are stored in several global banks to allow for lookup to occur using several eRPs simultaneously. At first, an ACL region will only require a single mask - upon the insertion of the first rule. In this case, the region can use the "master RP" which is composed by OR-ing all the masks used by the region. This mask is a property of the region and thus there is no need to use the above mentioned banks. At some point, a second mask will be needed. In this case, the region will need to allocate an eRP table from the above mentioned banks and insert its masks there. >From now on, upon lookup, the eRP table used by the region will be fetched from the eRP banks - using {eRP bank, Index within the bank} - and the eRPs present in the table will be used to mask the packet. Note that masks with consecutive indexes are inserted into consecutive banks. When rules are deleted and a region only needs a single mask once again it can free its eRP table and use the master RP. The above logic is implemented in the eRP core and represented using the following state machine: +------------+ create mask - as master RP +---------------+ | +--------------------------------> | | no masks | | single mask | | <--------------------------------+ | +------------+ delete mask +-----+--^------+ | | | | create mask - | | delete mask - create mask transition to use eRP | | transition to +--------+ table | | use master RP | | | | | | | | +----v--------+----+ create mask +----v--+-----+ | <-------------------------------+ | | multiple masks | | two masks | | +-------------------------------> | +------------------+ delete mask - if two +-------------+ remaining The code that actually configures rules in the A-TCAM will interface with the eRP core by getting or putting an eRP based on the required mask used by the rule. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-23net: Remove depends on HAS_DMA in case of platform dependencyGeert Uytterhoeven1-1/+1
Remove dependencies on HAS_DMA where a Kconfig symbol depends on another symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST". In most cases this other symbol is an architecture or platform specific symbol, or PCI. Generic symbols and drivers without platform dependencies keep their dependencies on HAS_DMA, to prevent compiling subsystems or drivers that cannot work anyway. This simplifies the dependencies, and allows to improve compile-testing. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-12mlxsw: spectrum: Don't depend on ip_gre and ip6_grePetr Machata1-4/+2
mlxsw_spectrum supports offloading of a tc action mirred egress mirror to a gretap or an ip6gretap netdevice, which necessitates calls to functions defined in ip_gre, ip6_gre and ip6_tunnel modules. Previously this was enabled by introducing a hard dependency of MLXSW_SPECTRUM on NET_IPGRE and IPV6_GRE. However the rest of mlxsw is careful about picking which modules are absolutely required, and therefore the better approach is to make mlxsw_spectrum tolerant of absence of one or both of the GRE flavors. Hence rework the NET_IPGRE and IPV6_GRE dependencies to just guard matching modularity, and hide the corresponding code in spectrum_span.c in an #if IS_ENABLED. Mark mlxsw_sp_span_entry_tunnel_parms_common as maybe unused, to muffle warnings if neither GRE flavor is selected, which seems cleaner than introducing a composite #if. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-27mlxsw: spectrum_span: Support mirror to ip6gretapPetr Machata1-0/+2
Similarly to mirror-to-gretap, this enables mirroring to IPv6 gretap netdevice. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-27mlxsw: spectrum_span: Support mirror to gretapPetr Machata1-0/+2
When a user requests mirror from a mlxsw physical port (possibly based on an ACL match) to a gretap netdevice, the driver needs to resolve the request to a particular physical port that the mirrored packets will egress through, and a suite of configuration keys (importantly, IP and MAC addresses). That means calling into routing and neighbor kernel code to simulate the decisions made by the system for packets passing through a gretap netdevice. Add a new instance of mlxsw_sp_span_entry_ops to support this. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-03mlxsw: spectrum_router: Add support for IPv6 routes addition / deletionIdo Schimmel1-0/+1
Allow directly connected and remote unicast IPv6 routes to be programmed to the device's tables. As with IPv4, identical routes - sharing the same destination prefix - are ordered in a FIB node according to their table ID and then the metric. While the kernel doesn't share the same trie for the local and main table, this does happen in the device, so ordering according to table ID is needed. Since individual nexthops can be added and deleted in IPv6, each FIB entry stores a linked list of the rt6_info structs it represents. Upon the addition or deletion of a nexthop, a new nexthop group is allocated according to the new configuration and the old one is destroyed. Identical groups aren't currently consolidated, but will be in a follow-up patchset. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-01mlxsw: spectrum: Add bridge dependency for spectrumIdo Schimmel1-0/+1
When BRIDGE is a loadable module, MLXSW_SPECTRUM mustn't be built-in: drivers/built-in.o: In function `mlxsw_sp_bridge_device_create': drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c:145: undefined reference to `br_vlan_enabled' drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c:158: undefined reference to `br_multicast_enabled' drivers/built-in.o: In function `mlxsw_sp_dev_rif_type': drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:2972: undefined reference to `br_vlan_enabled' drivers/built-in.o: In function `mlxsw_sp_inetaddr_vlan_event': drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:3310: undefined reference to `br_vlan_enabled' Add Kconfig dependency to enforce usable configurations. Fixes: c57529e1d5d8 ("mlxsw: spectrum: Replace vPorts with Port-VLAN") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Tested-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-25mlxsw: spectrum: Validate firmware revision on initYotam Gigi1-0/+1
Make the spectrum module check the current device firmware version, and if it is below the supported version, use the libfirmware API to request a firmware file with the supported firmware version and flash it to the device using the mlxfw module. The firmware file names are expected to be of Mellanox Firmware Archive version 2 (MFA2) format and their name are expected to be in the following pattern: "mlxsw_spectrum-<major>.<minor>.<sub-minor>.mfa2". Signed-off-by: Yotam Gigi <yotamg@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-07mlxsw: add psample dependency for spectrumArnd Bergmann1-0/+1
When PSAMPLE is a loadable module, spectrum must not be built-in: drivers/net/built-in.o: In function `mlxsw_sp_rx_listener_sample_func': spectrum.c:(.text+0xe357e): undefined reference to `psample_sample_packet' This adds a Kconfig dependency to enforce usable configurations. Fixes: 98d0f7b9acda ("mlxsw: spectrum: Add packet sample offloading support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Yotam Gigi <yotamg@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-03mlxsw: spectrum: Introduce ACL core with simple TCAM implementationJiri Pirko1-0/+1
Add ACL core infrastructure for Spectrum ASIC. This infra provides an abstraction layer over specific HW implementations. There are two basic objects used. One is "rule" and the second is "ruleset" which serves as a container of multiple rules. In general, within one ruleset the rules are allowed to have multiple priorities and masks. Each ruleset is bound to either ingress or egress a of port netdevice. The initial TCAM implementation is very simple and limited. It utilizes parman lsort manager to take care of TCAM region layout. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-29mlxsw: switchib: add MLXSW_PCI dependencyArnd Bergmann1-1/+1
The newly added switchib driver fails to link if MLXSW_PCI=m: drivers/net/ethernet/mellanox/mlxsw/mlxsw_switchib.o: In function^Cmlxsw_sib_module_exit': switchib.c:(.exit.text+0x8): undefined reference to `mlxsw_pci_driver_unregister' switchib.c:(.exit.text+0x10): undefined reference to `mlxsw_pci_driver_unregister' drivers/net/ethernet/mellanox/mlxsw/mlxsw_switchib.o: In function `mlxsw_sib_module_init': switchib.c:(.init.text+0x28): undefined reference to `mlxsw_pci_driver_register' switchib.c:(.init.text+0x38): undefined reference to `mlxsw_pci_driver_register' switchib.c:(.init.text+0x48): undefined reference to `mlxsw_pci_driver_unregister' The other two such sub-drivers have a dependency, so add the same one here. In theory we could allow this driver if MLXSW_PCI is disabled, but it's probably not worth it. Fixes: d1ba52638456 ("mlxsw: switchib: Introduce SwitchIB and SwitchIB silicon driver") Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-22mlxsw: core: Implement thermal zoneIvan Vecera1-0/+9
Implement thermal zone for mlxsw based HW. It uses temperature sensor provided by ASIC (the same as mlxsw hwmon interface) to report current temp to thermal core. The ASIC's PWM is then used to control speed of system fans registered as cooling devices. Signed-off-by: Ivan Vecera <cera@cera.cz> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-16mlxsw: minimal: Add I2C support for Mellanox ASICsVadim Pasternak1-0/+11
Add I2C access support for Mellanox ASICs: - Virtual Protocol Interconnect switches SwitchX, SwitchX2, providing InfiniBand, Ethernet and Fibre Channel connectivity; - Infiniband switches SwitchIB, SwitchIB2: - Ethernet switch Spectrum. Example of probing activation: echo mlxsw_minimal 0x48 > /sys/bus/i2c/devices/i2c-2/new_device Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-16mlxsw: Introduce support for I2C busVadim Pasternak1-0/+10
Add I2C bus implementation for Mellanox Technologies Switch ASICs. This includes command interface implementation using input / out mailboxes, whose location is retrieved from the firmware during probe time. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-30mlxsw: switchib: Introduce SwitchIB and SwitchIB silicon driverElad Raz1-0/+11
SwitchIB and SwitchIB-2 are Infiniband switches with up to 36 ports. This driver initialize the hardware and Firmware which implements the IB management and connection with the SM. Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-28mlxsw: Move PCI id table definitions into driver modulesJiri Pirko1-2/+2
So far, mlxsw_pci.ko is the module that registers PCI table for all drivers (spectrum and switchx2). That is problematic for example with dracut. Since mlxsw_spectrum.ko and mlxsw_switchx2.ko are loaded dynamically from within mlxsw_core.ko, dracut does not have track of them and avoids them from being included in initramfs. So make this in an ordinary way and define the PCI tables in individual driver modules, so it can be properly loaded and included in dracut initramfs image. As a side effect, this patch could remove no longer necessary driver "kind" strings which were used to link PCI ids with individual mlxsw drivers. Suggested-by: Ivan Vecera <ivecera@redhat.com> Tested-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-06mlxsw: spectrum: Introduce support for Data Center Bridging (DCB)Ido Schimmel1-0/+8
Introduce basic infrastructure for DCB and add the missing ops in following patches. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-03net: mellanox: add DEVLINK dependenciesArnd Bergmann1-0/+1
The new NET_DEVLINK infrastructure can be a loadable module, but the drivers using it might be built-in, which causes link errors like: drivers/net/built-in.o: In function `mlx4_load_one': :(.text+0x2fbfda): undefined reference to `devlink_port_register' :(.text+0x2fc084): undefined reference to `devlink_port_unregister' drivers/net/built-in.o: In function `mlxsw_sx_port_remove': :(.text+0x33a03a): undefined reference to `devlink_port_type_clear' :(.text+0x33a04e): undefined reference to `devlink_port_unregister' There are multiple ways to avoid this: a) add 'depends on NET_DEVLINK || !NET_DEVLINK' dependencies for each user b) use 'select NET_DEVLINK' from each driver that uses it and hide the symbol in Kconfig. c) make NET_DEVLINK a 'bool' option so we don't have to list it as a dependency, and rely on the APIs to be stubbed out when it is disabled d) use IS_REACHABLE() rather than IS_ENABLED() to check for NET_DEVLINK in include/net/devlink.h This implements a variation of approach a) by adding an intermediate symbol that drivers can depend on, and changes the three drivers using it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 09d4d087cd48 ("mlx4: Implement devlink interface") Fixes: c4745500e988 ("mlxsw: Implement devlink interface") Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-15mlxsw: spectrum: Adjust switchdev ops for VLAN devicesIdo Schimmel1-1/+1
switchdev ops can now be called for VLAN devices and we need to be prepared for it. Until now they were only called for the port netdev. Use the newly propagated orig_dev passed as part of the switchdev attr/obj and determine whether the original device is a VLAN device. If so, act accordingly, otherwise continue as usual. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-30mlxsw: core: Implement temperature hwmon interfaceJiri Pirko1-0/+8
ASIC provides access to temperature sensors. Implement their exposure to userspace using hwmon. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-16mlxsw: spectrum: Add initial support for Spectrum ASICJiri Pirko1-0/+11
Add support for new generation Mellanox Spectrum ASIC, 10/25/40/50 and 100Gb/s Ethernet Switch. The initial driver implements bridge forwarding offload including bridge internal VLAN support, FDB static entries, FDB learning and HW ageing including their setup. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-09mlxsw: Make pci module dependent on HAS_DMA and HAS_IOMEMJiri Pirko1-1/+1
This resolves compile errors on um-allyesconfig. Note that there are many other drivers which have the same issue. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Introduce Mellanox SwitchX-2 ASIC supportJiri Pirko1-0/+11
Benefit from the previously introduced Mellanox Switch infrastructure and add driver for SwitchX-2 ASIC. Note that this driver is very simple now. It implements bare minimum for getting device to work on slow-path. Fast-path offload functionality is going to be added soon. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Add PCI bus implementationJiri Pirko1-0/+10
Add PCI bus implementation for Mellanox Technologies Switch ASICs. This includes firmware initialization, async queues manipulation and command interface implementation. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Introduce Mellanox switch driver coreJiri Pirko1-0/+11
Add core components of Mellanox switch driver infrastructure. Core infrastructure is designed so that it can be used by multiple bus drivers (PCI now, I2C and SGMII are planned to be implemented in the future). Multiple switch kind drivers can be registered as well. This core serves as a glue between buses and drivers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>