k3s/vendor/github.com/vishvananda/netlink/nl/bridge_linux.go

75 lines
1.4 KiB
Go

package nl
import (
"fmt"
"unsafe"
)
const (
SizeofBridgeVlanInfo = 0x04
)
/* Bridge Flags */
const (
BRIDGE_FLAGS_MASTER = iota + 1 /* Bridge command to/from master */
BRIDGE_FLAGS_SELF /* Bridge command to/from lowerdev */
)
/* Bridge management nested attributes
* [IFLA_AF_SPEC] = {
* [IFLA_BRIDGE_FLAGS]
* [IFLA_BRIDGE_MODE]
* [IFLA_BRIDGE_VLAN_INFO]
* }
*/
const (
IFLA_BRIDGE_FLAGS = iota
IFLA_BRIDGE_MODE
IFLA_BRIDGE_VLAN_INFO
)
const (
BRIDGE_VLAN_INFO_MASTER = 1 << iota
BRIDGE_VLAN_INFO_PVID
BRIDGE_VLAN_INFO_UNTAGGED
BRIDGE_VLAN_INFO_RANGE_BEGIN
BRIDGE_VLAN_INFO_RANGE_END
)
// struct bridge_vlan_info {
// __u16 flags;
// __u16 vid;
// };
type BridgeVlanInfo struct {
Flags uint16
Vid uint16
}
func (b *BridgeVlanInfo) Serialize() []byte {
return (*(*[SizeofBridgeVlanInfo]byte)(unsafe.Pointer(b)))[:]
}
func DeserializeBridgeVlanInfo(b []byte) *BridgeVlanInfo {
return (*BridgeVlanInfo)(unsafe.Pointer(&b[0:SizeofBridgeVlanInfo][0]))
}
func (b *BridgeVlanInfo) PortVID() bool {
return b.Flags&BRIDGE_VLAN_INFO_PVID > 0
}
func (b *BridgeVlanInfo) EngressUntag() bool {
return b.Flags&BRIDGE_VLAN_INFO_UNTAGGED > 0
}
func (b *BridgeVlanInfo) String() string {
return fmt.Sprintf("%+v", *b)
}
/* New extended info filters for IFLA_EXT_MASK */
const (
RTEXT_FILTER_VF = 1 << iota
RTEXT_FILTER_BRVLAN
RTEXT_FILTER_BRVLAN_COMPRESSED
)