/*
* let the upper layer handle the packet, subtract offset
* as two dummy bytes are added in received buffer see
* PORT_CONFIG_EXT register bit TWO_Byte_Stuff_Mode bit.
*/
/*
* let the upper layer handle the packet, subtract offset
* as two dummy bytes are added in received buffer see
* PORT_CONFIG_EXT register bit TWO_Byte_Stuff_Mode bit.
*/