From: Xie He
Date: Sun, 5 Jul 2020 17:45:21 -0700
> When this driver transmits data,
> first this driver will 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 under
When this driver transmits data,
first this driver will 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 prepend its own header.
So, the hea
