dst mac

1
dst mac
src mac
etype
struct ethhdr unsigned char
h_destETH_ALEN unsigned char h_sourceETH_ALEN
__be16 h_proto
dst mac
src mac
proto
TCI
etype
struct vlan_ethhdr unsigned
char h_destETH_ALEN unsigned
char h_sourceETH_ALEN __be16
h_vlan_proto //0x8100 __be16
h_vlan_TCI 1-12 VID
unsigned short h_vlan_encapsulated_proto
2
process_backlog
dev-gtpoll
dev-gtpoll
skb-gtdev skb-gtinput_dev
netif_receive_skb
vlan_skb_recv
ip_recv
remove vlan header
3
VLAN ID
vlan_group
real device
vlan device 0
vlan_skb_recv
vlan device 1
...
...
VLAN ID
vlan private