netcfg

package

v0.6.3-beta01 Latest Latest Go to latest Published: Sep 7, 2022 License: MIT Imports: 11 Imported by: 0

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netcfg is a stateless helper to setup interface attributes IP, route, interface state, etc

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const (
	RPFilterNoValidation = iota
	RPFilterStrict
	RPFilterLoose
)

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var ErrNotFound = errors.New("default route not found")

func DefaultRoute() (netip.Addr, string, error)

func HostHasIP(ipAddress netip.Addr) bool

func InterfaceDown(ifname string) error

func InterfaceHasIP(ifname string, ipAddress netip.Addr) bool

func InterfaceIPAdd(ifname string, ip netip.Addr) error

InterfaceIPAdd adds `ip` to interface `ifname`

func InterfaceIPDel(ifname string, ip netip.Addr) error

InterfaceIPDel removes `ip` from interface `ifname`

func InterfaceIPSet(ifname string, ip netip.Addr) error

InterfaceIPSet removes old IP addresses from interface `ifname` and sets `ip` as the only address

func InterfaceSetMTU(ifname string, mtu uint32) error

func InterfaceSetRPFilter(ifname string, mode RPFilterMode) error

func InterfaceUp(ifname string) error

func IsDefaultRoute(addr *netip.Prefix) bool

IsDefaultRoute returns true if addr == 0.0.0.0/0

func RouteAdd(ifname string, gw *netip.Addr, ip *netip.Prefix) error

func RouteDel(ifname string, ip *netip.Prefix) error

func RouteReplace(ifname string, gw *netip.Addr, ip *netip.Prefix) error

func RouteSearch(ip *netip.Prefix) (found bool, ifname string)

type RPFilterMode int