Module vlan 

IEEE 802.1Q VLAN tagging support

Provides VLAN tag insertion/stripping and interface management for 802.1Q virtual LAN segmentation.

Structs

VlanInterface

A VLAN interface bound to a parent network device.

VlanManager

Manages VLAN interfaces across all network devices.

VlanTag

IEEE 802.1Q VLAN tag

Enums

VlanError

Errors from VLAN operations.

VlanMode

VLAN operating mode for a port/interface.

Constants

TPID_8021Q

IEEE 802.1Q Tag Protocol Identifier

Functions

has_vlan_tag

Check whether an Ethernet frame carries an 802.1Q tag.

init

Initialize the global VLAN manager.

insert_tag

Insert an 802.1Q tag into an Ethernet frame after the source MAC address.

strip_tag

Strip an 802.1Q tag from an Ethernet frame.

with_manager

Access the global VLAN manager under a lock.