Method for Configuring Network, Network System, and Device

A method for configuring a network, wherein the network comprises a virtual machine (VM) manager, a plurality of computing VMs, and a Peripheral Component Interconnect Express (PCIE) device, wherein the VM manager is coupled to the PCIE device and is configured to manage the plurality of computing VMs, wherein the PCIE device supports a Single-Root Input/Output Virtualization (SR-IOV) standard and comprises at least one physical function (PF) and at least one virtual function (VF), wherein a PF driver managing the PCIE device runs on the VM manager, wherein a VF is configured in each computing VM, wherein a VF driver configured to manage the VF runs on each computing VM, and wherein the method comprises:

• receiving, by the PCIE device, configuration information of the PF driver;
• allocating, by the PCIE device, a corresponding network resource to a switch VM created by the VM manager, wherein the switch VM is configured to run a virtual switch, and wherein the virtual switch is configured to implement network switching between the plurality of computing VMs;
• and
• receiving an initialization operation of the PF driver, wherein a default forwarding rule of the initialized PCIE device comprises setting a default forwarding port of the PCIE device to a VF receiving queue (VF 0) corresponding to the switch VM.

A virtual machine (VM) manager, wherein the VM manager is configured in a network, wherein the network further comprises a plurality of computing VMs and a Peripheral Component Interconnect Express (PCIE) device, wherein the VM manager is coupled to the PCIE device and is configured to manage the plurality of computing VMs, wherein the PCIE device supports a Single-Root Input/Output Virtualization (SR-IOV) standard and comprises at least one physical function (PF) and at least one virtual function (VF), wherein a PF driver managing the PCIE device runs on the VM manager, wherein a VF is configured in each computing VM, wherein a VF driver configured to manage the VF runs on each computing VM, and wherein the VM manager comprises:

• a processor;
• and
• a memory configured to store a computer-executable instruction,
• wherein the processor is coupled to the memory using a communications bus, and
• wherein when the VM manager runs the computer-executable instruction stored in the memory, the processor to is configured to:
• receive a switch VM creation request;
• create a switch VM according to the switch VM creation request, wherein the switch VM is configured to run a virtual switch, and wherein the virtual switch is configured to implement network switching between the plurality of computing VMs;
• respond to Peripheral Component Interconnect (PCI) scanning of the switch VM;
• configure, using the PF driver, the PCIE device to allocate a corresponding network resource to the switch VM;
• and
• initialize the PCIE device using the PF driver, wherein a default forwarding rule of the initialized PCIE device comprises setting a default forwarding port of the PCIE device to a VF receiving queue (VF 0) corresponding to the switch VM.

A Peripheral Component Interconnect Express (PCIE) device, wherein the PCIE device is configured in a network, wherein the network further comprises a virtual machine (VM) manager, and a plurality of computing VMs, wherein the VM manager is coupled to the PCIE device and is configured to manage the plurality of computing VMs, wherein the PCIE device supports a Single-Root Input/Output Virtualization (SR-IOV) standard, wherein the PCIE device comprises at least one physical function (PF) and at least one virtual function (VF), wherein a PF driver managing the PCIE device runs on the VM manager, wherein a VF is configured in each computing VM, wherein a VF driver configured to manage the VF runs on each computing VM, and wherein the PCIE device further comprises:

• a processor;
• and
• a memory configured to store a computer-executable instruction,
• wherein the processor is coupled to the memory using a communications bus, and
• wherein the computer-executable instruction stored in the memory causes the processor to be configured to:
• receive, by the PCIE device, configuration information of the PF driver;
• allocate a corresponding network resource to a switch VM created by the VM manager;
• and
• receive an initialization operation of the PF driver, wherein a default forwarding rule of the initialized PCIE device comprises setting a default forwarding port of the PCIE device to a VF receiving queue (VF 0) corresponding to the switch VM.