From: Xie He
Date: Fri, 3 Jul 2020 22:12:46 -0700
> When transmitting data from upper layers or from AF_PACKET sockets,
> this driver will first remove a pseudo header of 1 byte,
> then the lapb module will prepend the LAPB header of 2 or 3 bytes,
> then this driver will prepend a length f
When transmitting data from upper layers or from AF_PACKET sockets,
this driver will first remove a pseudo header of 1 byte,
then the lapb module will prepend the LAPB header of 2 or 3 bytes,
then this driver will prepend a length field of 2 bytes,
then the underlying Ethernet device will p
