mirror of https://github.com/vishvananda/netlink
126 lines
2.4 KiB
Go
126 lines
2.4 KiB
Go
package netlink
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import (
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"net"
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)
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// Link represents a link device from netlink. Shared link attributes
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// like name may be retrieved using the Attrs() method. Unique data
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// can be retrieved by casting the object to the proper type.
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type Link interface {
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Attrs() *LinkAttrs
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Type() string
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}
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// LinkAttrs represents data shared by most link types
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type LinkAttrs struct {
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Index int
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MTU int
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Name string
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HardwareAddr net.HardwareAddr
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Flags net.Flags
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ParentIndex int // index of the parent link device
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MasterIndex int // must be the index of a bridge
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}
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// Device links cannot be created via netlink. These links
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// are links created by udev like 'lo' and 'etho0'
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type Device struct {
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LinkAttrs
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}
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func (device *Device) Attrs() *LinkAttrs {
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return &device.LinkAttrs
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}
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func (device *Device) Type() string {
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return "device"
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}
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// Dummy links are dummy ethernet devices
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type Dummy struct {
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LinkAttrs
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}
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func (dummy *Dummy) Attrs() *LinkAttrs {
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return &dummy.LinkAttrs
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}
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func (dummy *Dummy) Type() string {
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return "dummy"
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}
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// Bridge links are simple linux bridges
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type Bridge struct {
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LinkAttrs
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}
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func (bridge *Bridge) Attrs() *LinkAttrs {
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return &bridge.LinkAttrs
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}
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func (bridge *Bridge) Type() string {
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return "bridge"
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}
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// Vlan links have ParentIndex set in their Attrs()
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type Vlan struct {
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LinkAttrs
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VlanId int
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}
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func (vlan *Vlan) Attrs() *LinkAttrs {
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return &vlan.LinkAttrs
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}
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func (vlan *Vlan) Type() string {
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return "vlan"
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}
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// Macvlan links have ParentIndex set in their Attrs()
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type Macvlan struct {
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LinkAttrs
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}
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func (macvlan *Macvlan) Attrs() *LinkAttrs {
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return &macvlan.LinkAttrs
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}
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func (macvlan *Macvlan) Type() string {
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return "macvlan"
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}
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// Veth devices must specify PeerName on create
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type Veth struct {
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LinkAttrs
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PeerName string // veth on create only
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}
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func (veth *Veth) Attrs() *LinkAttrs {
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return &veth.LinkAttrs
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}
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func (veth *Veth) Type() string {
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return "veth"
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}
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// Generic links represent types that are not currently understood
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// by this netlink library.
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type Generic struct {
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LinkAttrs
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LinkType string
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}
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func (generic *Generic) Attrs() *LinkAttrs {
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return &generic.LinkAttrs
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}
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func (generic *Generic) Type() string {
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return generic.LinkType
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}
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// iproute2 supported devices;
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// vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
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// can | bridge | bond | ipoib | ip6tnl | ipip | sit |
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// vxlan | gre | gretap | ip6gre | ip6gretap | vti
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