Environment Requirements

Networking

As shown in Figure 1, SR-IOV requires two servers (host 1 and host 2). The two hosts communicate with each other through direct network port connections.

Figure 1 Networking diagram

Server	IP Address	Mellanox CX5 Network Port
Host 1	192.168.48.60	enp1s0f0 PCI port: 0000:01:00.0 enp1s0f1 PCI port: 0000:01:00.1
Host 2	192.168.48.62	enp1s0f0 PCI port: 0000:01:00.0 enp1s0f1 PCI port: 0000:01:00.1

Hardware

Table 1 describes the hardware configuration.

**Table 1** Hardware configuration
Item	Description
CPU	Kunpeng 920 processor
NIC	Mellanox CX5 NIC
Other	RAID controller cards must support pass-through.

OS and Software

Table 2 lists the openEuler 20.03 OS requirements.

**Table 2** openEuler 20.03 OS requirements
Item	Version	How to Obtain
Host OS	openEuler 20.03 LTS SP1	https://mirrors.huaweicloud.com/openeuler/openEuler-20.03-LTS-SP1/ISO/aarch64/openEuler-20.03-LTS-SP1-aarch64-dvd.iso
Host OS kernel	4.19.90	Contained in the OS image
NIC firmware	16.29.2002	Contained in the Mellanox driver package
NIC driver	OFED-5.2-2.2.0	The name of the software package used in this document is MLNX_OFED_LINUX-5.2-2.2.0.0-openeuler20.03-aarch64.tgz. Arm: https://content.mellanox.com/ofed/MLNX_OFED-5.2-2.2.0.0/MLNX_OFED_LINUX-5.2-2.2.0.0-openeuler20.03-aarch64.tgz x86: https://content.mellanox.com/ofed/MLNX_OFED-5.2-2.2.0.0/MLNX_OFED_LINUX-5.2-2.2.0.0-openeuler20.03-x86_64.tgz
Python	2.7.5	Contained in the OS image
GCC	7.3.0	Contained in the OS image
VM OS	CentOS Linux release 7.6.1810 (AltArch)	https://mirrors.huaweicloud.com/centos-vault/altarch/7.6.1810/isos/aarch64/
QEMU	6.2.0	Minimal Install > Standard (built-in)
libvirt	4.1.0	Minimal Install > Standard (built-in)

Table 3 lists the CentOS 7.6 OS requirements.

**Table 3** CentOS 7.6 OS requirements
Item	Version	How to Obtain
Host OS	CentOS Linux release 7.6.1810 (AltArch)	https://mirrors.huaweicloud.com/centos-vault/altarch/7.6.1810/isos/aarch64/
Host OS kernel	4.14.0-115.el7a.0.1.aarch64	Contained in the OS image
NIC firmware	16.28.2006	Contained in the Mellanox driver package
NIC driver	OFED-5.1-2.3.7	The name of the software package used in this document is MLNX_OFED_LINUX-5.1-2.3.7.1-rhel7.6alternate-aarch64.tgz. https://content.mellanox.com/ofed/MLNX_OFED-5.1-2.3.7.1/MLNX_OFED_LINUX-5.1-2.3.7.1-rhel7.6alternate-aarch64.tgz
QEMU	2.12.0 (ev)	qemu-kvm-tools-ev-2.12.0-33.1.el7.aarch64.rpm: https://mirrors.huaweicloud.com/centos-altarch/7/virt/aarch64/kvm-common/Packages/q/qemu-kvm-tools-ev-2.12.0-33.1.el7.aarch64.rpm
		qemu-img-ev-2.12.0-33.1.el7.aarch64.rpm: https://mirrors.huaweicloud.com/centos-altarch/7/virt/aarch64/kvm-common/Packages/q/qemu-img-ev-2.12.0-33.1.el7.aarch64.rpm
		qemu-kvm-common-ev-2.12.0-33.1.el7.aarch64.rpm: https://mirrors.huaweicloud.com/centos-altarch/7/virt/aarch64/kvm-common/Packages/q/qemu-kvm-common-ev-2.12.0-33.1.el7.aarch64.rpm
		qemu-kvm-ev-2.12.0-33.1.el7.aarch64.rpm: https://mirrors.huaweicloud.com/centos-altarch/7/virt/aarch64/kvm-common/Packages/q/qemu-kvm-ev-2.12.0-33.1.el7.aarch64.rpm
libvirt	4.5.0	Contained in the OS image
Python	2.7.5	Contained in the OS image
GCC	4.8.5	Contained in the OS image
VM OS	CentOS Linux release 7.6.1810 (AltArch)	https://mirrors.huaweicloud.com/centos-vault/altarch/7.6.1810/isos/aarch64/

Parent topic: OVS Flow Table NIC Acceleration