how windows insert VLAN id automatically when sending net packet, not by hardware method.

Question

Hi all: I want to know in windows OS. Does it have a mechanism the when sending packet, the OS will insert vlan id into the packet automatically, not by hardware method to insert vlan id. That means the miniport NIC driver how to report what information so that the system will do the above-mentioned behavior. Thanks.

Answer 1

becasue in Linux system, it has NETIF_F_HW_VLAN_CTAG_TX flag. If linux driver does not report this flag, the linux system will send packet which will include vlan tag to our nic driver. So I want to know, for windows system. Does it have similar flag?