390a24cb | 25-Aug-2023 |
Dima Chumak <dchumak@nvidia.com> |
devlink: Expose port function commands to control IPsec packet offloads
Expose port function commands to enable / disable IPsec packet offloads, this is used to control the port IPsec capabilities.
devlink: Expose port function commands to control IPsec packet offloads
Expose port function commands to enable / disable IPsec packet offloads, this is used to control the port IPsec capabilities.
When IPsec packet is disabled for a function of the port (default), function cannot offload IPsec packet operations (encapsulation and XFRM policy offload). When enabled, IPsec packet operations can be offloaded by the function of the port, which includes crypto operation (Encrypt/Decrypt), IPsec encapsulation and XFRM state and policy offload.
Example of a PCI VF port which supports IPsec packet offloads:
$ devlink port show pci/0000:06:00.0/1 pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0 function: hw_addr 00:00:00:00:00:00 roce enable ipsec_packet disable
$ devlink port function set pci/0000:06:00.0/1 ipsec_packet enable
$ devlink port show pci/0000:06:00.0/1 pci/0000:06:00.0/1: type eth netdev enp6s0pf0vf0 flavour pcivf pfnum 0 vfnum 0 function: hw_addr 00:00:00:00:00:00 roce enable ipsec_packet enable
Signed-off-by: Dima Chumak <dchumak@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20230825062836.103744-3-saeed@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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9f63f96a | 30-Nov-2022 |
Vincent Mailhol <mailhol.vincent@wanadoo.fr> |
Documentation: devlink: add devlink documentation for the etas_es58x driver
List all the version information reported by the etas_es58x driver through devlink. Also, update MAINTAINERS with the newl
Documentation: devlink: add devlink documentation for the etas_es58x driver
List all the version information reported by the etas_es58x driver through devlink. Also, update MAINTAINERS with the newly created file.
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/all/20221130174658.29282-8-mailhol.vincent@wanadoo.fr [mkl: fixed version information table: "bl" -> "fw.bootloader" Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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a8ce7b26 | 06-Dec-2022 |
Shay Drory <shayd@nvidia.com> |
devlink: Expose port function commands to control migratable
Expose port function commands to enable / disable migratable capability, this is used to set the port function as migratable.
Live migra
devlink: Expose port function commands to control migratable
Expose port function commands to enable / disable migratable capability, this is used to set the port function as migratable.
Live migration is the process of transferring a live virtual machine from one physical host to another without disrupting its normal operation.
In order for a VM to be able to perform LM, all the VM components must be able to perform migration. e.g.: to be migratable. In order for VF to be migratable, VF must be bound to VFIO driver with migration support.
When migratable capability is enabled for a function of the port, the device is making the necessary preparations for the function to be migratable, which might include disabling features which cannot be migrated.
Example of LM with migratable function configuration: Set migratable of the VF's port function.
$ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 migratable disable
$ devlink port function set pci/0000:06:00.0/2 migratable enable
$ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 migratable enable
Bind VF to VFIO driver with migration support: $ echo <pci_id> > /sys/bus/pci/devices/0000:08:00.0/driver/unbind $ echo mlx5_vfio_pci > /sys/bus/pci/devices/0000:08:00.0/driver_override $ echo <pci_id> > /sys/bus/pci/devices/0000:08:00.0/driver/bind
Attach VF to the VM. Start the VM. Perform LM.
Signed-off-by: Shay Drory <shayd@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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da65e9ff | 06-Dec-2022 |
Shay Drory <shayd@nvidia.com> |
devlink: Expose port function commands to control RoCE
Expose port function commands to enable / disable RoCE, this is used to control the port RoCE device capabilities.
When RoCE is disabled for a
devlink: Expose port function commands to control RoCE
Expose port function commands to enable / disable RoCE, this is used to control the port RoCE device capabilities.
When RoCE is disabled for a function of the port, function cannot create any RoCE specific resources (e.g GID table). It also saves system memory utilization. For example disabling RoCE enable a VF/SF saves 1 Mbytes of system memory per function.
Example of a PCI VF port which supports function configuration: Set RoCE of the VF's port function.
$ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 roce enable
$ devlink port function set pci/0000:06:00.0/2 roce disable
$ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 roce disable
Signed-off-by: Shay Drory <shayd@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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3af4b40b | 28-Nov-2022 |
Jacob Keller <jacob.e.keller@intel.com> |
ice: implement direct read for NVM and Shadow RAM regions
Implement the .read handler for the NVM and Shadow RAM regions. This enables user space to read a small chunk of the flash without needing t
ice: implement direct read for NVM and Shadow RAM regions
Implement the .read handler for the NVM and Shadow RAM regions. This enables user space to read a small chunk of the flash without needing the overhead of creating a full snapshot.
Update the documentation for ice to detail which regions have direct read support.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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2d019784 | 28-Nov-2022 |
Jacob Keller <jacob.e.keller@intel.com> |
ice: document 'shadow-ram' devlink region
78ad87da9978 ("ice: devlink: add shadow-ram region to snapshot Shadow RAM") added support for the 'shadow-ram' devlink region, but did not document it in th
ice: document 'shadow-ram' devlink region
78ad87da9978 ("ice: devlink: add shadow-ram region to snapshot Shadow RAM") added support for the 'shadow-ram' devlink region, but did not document it in the ice devlink documentation. Fix this.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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242dd643 | 15-Nov-2022 |
Michal Wilczynski <michal.wilczynski@intel.com> |
Documentation: Add documentation for new devlink-rate attributes
Provide documentation for newly introduced netlink attributes for devlink-rate: tx_priority and tx_weight.
Mention the possibility t
Documentation: Add documentation for new devlink-rate attributes
Provide documentation for newly introduced netlink attributes for devlink-rate: tx_priority and tx_weight.
Mention the possibility to export tree from the driver.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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