utils

Documentation

Index

• Variables
• func CleanCachedNetConf(cRefPath string) error
• func CreateTmpSysFs() error
• func GetPciAddress(ifName string, vf int) (string, error)
• func GetPfName(vf string) (string, error)
• func GetSharedPF(ifName string) (string, error)
• func GetSriovNumVfs(ifName string) (int, error)
• func GetVFLinkNames(pciAddr string) (string, error)
• func GetVFLinkNamesFromVFID(pfName string, vfID int) ([]string, error)
• func GetVfid(addr string, pfName string) (int, error)
• func HasDpdkDriver(pciAddr string) (bool, error)
• func ReadScratchNetConf(cRefPath string) ([]byte, error)
• func RemoveTmpSysFs() error
• func SaveNetConf(cid, dataDir, podIfName string, conf interface{}) error

Variables

var (

	// NetDirectory sysfs net directory
	NetDirectory = "/sys/class/net"
	// SysBusPci is sysfs pci device directory
	SysBusPci = "/sys/bus/pci/devices"
	// UserspaceDrivers is a list of driver names that don't have netlink representation for their devices
	UserspaceDrivers = []string{"vfio-pci", "uio_pci_generic", "igb_uio"}
)

Functions

func CleanCachedNetConf

func CleanCachedNetConf(cRefPath string) error

CleanCachedNetConf removed cached NetConf from disk

func CreateTmpSysFs

func CreateTmpSysFs() error

CreateTmpSysFs create mock sysfs for testing

func GetPciAddress

func GetPciAddress(ifName string, vf int) (string, error)

GetPciAddress takes in a interface(ifName) and VF id and returns returns its pci addr as string

func GetPfName

func GetPfName(vf string) (string, error)

GetPfName returns PF net device name of a given VF pci address

func GetSharedPF

func GetSharedPF(ifName string) (string, error)

GetSharedPF takes in VF name(ifName) as string and returns the other VF name that shares same PCI address as string

func GetSriovNumVfs

func GetSriovNumVfs(ifName string) (int, error)

GetSriovNumVfs takes in a PF name(ifName) as string and returns number of VF configured as int

func GetVFLinkNames

func GetVFLinkNames(pciAddr string) (string, error)

GetVFLinkNames returns VF's network interface name given it's PCI addr

func GetVFLinkNamesFromVFID

func GetVFLinkNamesFromVFID(pfName string, vfID int) ([]string, error)

GetVFLinkNamesFromVFID returns VF's network interface name given it's PF name as string and VF id as int

func GetVfid

func GetVfid(addr string, pfName string) (int, error)

GetVfid takes in VF's PCI address(addr) and pfName as string and returns VF's ID as int

func HasDpdkDriver

func HasDpdkDriver(pciAddr string) (bool, error)

HasDpdkDriver checks if a device is attached to dpdk supported driver

func ReadScratchNetConf

func ReadScratchNetConf(cRefPath string) ([]byte, error)

ReadScratchNetConf takes in container ID, Pod interface name and data dir as string and returns a pointer to Conf

func RemoveTmpSysFs

func RemoveTmpSysFs() error

RemoveTmpSysFs removes mocked sysfs

func SaveNetConf

func SaveNetConf(cid, dataDir, podIfName string, conf interface{}) error

SaveNetConf takes in container ID, data dir and Pod interface name as string and a json encoded struct Conf and save this Conf in data dir