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|
VMWARE vmxnet3 device driver
============================
##Overview This plugin provides native PCI driver support for VMWare
vmxnet3.
##Prerequisites \* This code is tested with vfio-pci driver installed
with Ubuntu 18.04 which has kernel version 4.15.0-33-generic.
- This driver is tested with ESXi vSwitch version 6.5/6.7 for LRO/TSO
support, VMware Workstation 15 Pro (no LRO/TSO), and VMware Fusion 11
Pro (no LRO/TSO)
- Driver requires MSI-X interrupt support, which is not supported by
uio_pci_generic driver. So vfio-pci must be used. On systems without
IOMMU, vfio driver can still be used with 4.15.0-33-generic kernel
(Ubuntu 18.04) which supports no-iommu mode.
##Known issues
- VLAN filter
Usage
-----
System setup
~~~~~~~~~~~~
1. load VFIO driver
::
sudo modprobe vfio-pci
2. Make sure the interface is down
::
sudo ifconfig <if-name> down
Steps 3 and 4 are optional. They can be accomplished by specifying the
optional keyword “bind” when creating the vmxnet3 interface.
3. (systems without IOMMU only) enable unsafe NOIOMMU mode
::
echo Y | sudo tee /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
4. Bind interface to vfio-pci
::
sudo dpdk-devbind.py --bind vfio-pci 0b:00.0
Interface Creation
~~~~~~~~~~~~~~~~~~
Interface can be dynamically created with following CLI, with or without
the bind option. If step 3 and 4 were executed, bind can be omitted.
::
create interface vmxnet3 0000:0b:00.0 bind
set int state vmxnet3-0/b/0/0 up
Interface Deletion
~~~~~~~~~~~~~~~~~~
Interface can be deleted with following CLI:
::
delete interface vmxnet3 <if-name>
Interface Statistics
~~~~~~~~~~~~~~~~~~~~
Interface statistics can be displayed with
``show hardware-interface <if-name>`` command.
Show Interface CLI
~~~~~~~~~~~~~~~~~~
Interface and ring information can be obtained with
``show vmxnet3 [if-name] [desc]``
|
