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