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2019-05-03usbnet: ipheth: Remove unnecessary NULL pointer checkGuenter Roeck1-2/+0
ipheth_carrier_set() is called from two locations. In ipheth_carrier_check_work(), its parameter 'dev' is set with container_of(work, ...) and can not be NULL. In ipheth_open(), dev is extracted from netdev_priv(net) and dereferenced before the call to ipheth_carrier_set(). The NULL pointer check of dev in ipheth_carrier_set() is therefore unnecessary and can be removed. Cc: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03net: dsa: mv88e6xxx: Pass interrupt number in platform dataAndrew Lunn2-4/+10
Allow an interrupt number to be passed in the platform data. The driver will then use it if not zero, otherwise it will poll for interrupts. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03net: dsa :mv88e6xxx: Disable unused portsAndrew Lunn1-1/+11
If the NO_CPU strap is set, the switch starts in 'dumb hub' mode, with all ports enable. Ports which are then actively used are reconfigured as required when the driver starts. However unused ports are left alone. Change this to disable them, and turn off any SERDES interface. This could save some power and so reduce the temperature a bit. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03net: dsa: mv88e6xxx: Set STP disable state in port_disableAndrew Lunn1-0/+3
When requested to disable a port, set the port STP state to disabled. This fully disables the port and should save some power. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03i40e: Introduce recovery mode supportAlice Michael3-31/+294
This patch introduces "recovery mode" to the i40e driver. It is part of a new Any2Any idea of upgrading the firmware. In this approach, it is required for the driver to have support for "transition firmware", that is used for migrating from structured to flat firmware image. In this new, very basic mode, i40e driver must be able to handle particular IOCTL calls from the NVM Update Tool and run a small set of AQ commands. These additional AQ commands are part of the interface used by the NVMUpdate tool. The NVMUpdate tool contains all of the necessary logic to reference these new AQ commands. The end user experience remains the same, they are using the NVMUpdate tool to update the NVM contents. Signed-off-by: Alice Michael <alice.michael@intel.com> Signed-off-by: Piotr Marczak <piotr.marczak@intel.com> Tested-by: Don Buchholz <donald.buchholz@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: print PCI vendor and device ID during probeStefan Assmann1-3/+4
Printing each devices PCI vendor and device ID has the advantage of easily revealing what hardware we're dealing with exactly. It's no longer necessary to match the PCI bus information to the lspci output. Helps with bug reports where no lspci output is available. Output before i40e 0000:08:00.0: fw 6.1.49420 api 1.7 nvm 6.80 0x80003c64 1.2007.0 and after i40e 0000:08:00.0: fw 6.1.49420 api 1.7 nvm 6.80 0x80003c64 1.2007.0 [8086:1572] [8086:0004] Signed-off-by: Stefan Assmann <sassmann@kpanic.de> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: fix misleading message about promisc setting on un-trusted VFHarshitha Ramamurthy1-12/+16
A refactor of the i40e_vc_config_promiscuous_mode_msg function moved the check for un-trusted VF into another function. We have to lie to an un-trusted VF that its request to set promiscuous mode is successful even when it is not because we don't want the VF to find out its trust status this way. With the refactor, we were running into a case where even though we were not setting promiscuous mode for an un-trusted VF, we still printed a misleading message that it was successful. This patch fixes that by ensuring that a success message is printed on the host side only when the promiscuous mode change has been successful. Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: update version numberAlice Michael1-1/+1
Just bumping the version number appropriately. Signed-off-by: Alice Michael <alice.michael@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: remove out-of-range comparisons in i40e_validate_cloud_filterJacob Keller1-2/+2
The function i40e_validate_cloud_filter checks that the destination and source port numbers are valid by attempting to ensure that the number is non-zero and no larger than 0xFFFF. However, the types for the dst_port and src_port variable are __be16 which by definition cannot be larger than 0xFFFF Since these values cannot be larger than 2 bytes, the check to see if they exceed 0xFFFF is meaningless. One might consider these checks as some sort of defensive coding, in case the type was later changed. However, these checks also byte-swap the value before comparison using be16_to_cpu, which will truncate the values to 16bits anyways. Additionally, changing the type would require updating the opcodes to support new data layout of these virtchnl commands. Remove the check to silence the -Wtype-limits warning that was added to GCC 8. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: Further implementation of LLDPAleksandr Loktionov8-13/+93
This code implements driver code changes necessary for LLDP Agent support. Modified i40e_aq_start_lldp() and i40e_aq_stop_lldp() adding false parameter whether LLDP state should be persistent across power cycles. Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: Report advertised link modes on 40GBase_LR4, CR4 and fibreAdam Ludkiewicz1-1/+9
Add assignments for advertising 40GBase_LR4, 40GBase_CR4 and fibre Signed-off-by: Adam Ludkiewicz <adam.ludkiewicz@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: ShadowRAM checksum calculation changeMaciej Paczkowski1-4/+25
Due to changes in FW the SW is required to perform double SR dump in some cases. Implementation adds two new steps to update nvm checksum function: * recalculate checksum and check if checksum in NVM is correct * if checksum in NVM is not correct then update it again Signed-off-by: Maciej Paczkowski <maciej.paczkowski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: remove error msg when vf with port vlan tries to remove vlan 0Aleksandr Loktionov1-1/+2
VF's attempt to delete vlan 0 when a port vlan is configured is harmless in this case pf driver just does nothing. If vf will try to remove other vlans when a port vlan is configured it will still produce error as before. Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: change behavior on PF in response to MDD eventCarolyn Wyborny1-10/+2
TX MDD events reported on the PF are the result of the PF misconfiguring a descriptor and not because of "bad actions" by anything else. No need to reset now because if it results in a Tx hang, the Tx hang check will take care of it. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-03i40e: Fix for allowing too many MDD events on VFCarolyn Wyborny1-5/+3
This patch changes the driver behavior when detecting a VF MDD event. It now disables the VF after one event, which indicates a hw detected problem in the VF. Before this change, the PF would allow a couple of events before doing the reset. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>