Raw HDLC Ethernet device support

modulename: hdlc_raw_eth.ko

configname: CONFIG_HDLC_RAW_ETH

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wan interfaces support
└─>Raw HDLC Ethernet device support
In linux kernel since version 2.6.12 )
Generic HDLC driver supporting raw HDLC Ethernet device emulation
over WAN connections.

You will need it for Ethernet over HDLC bridges.

If unsure, say N.
source code: