/*
* Point to Point Protocol (PPP) RFC1331
*
* Copyright 1989 by Carnegie Mellon.
*
* Permission to use, copy, modify, and distribute this program for any
* purpose and without fee is hereby granted, provided that this copyright
* and permission notice appear on all copies and supporting documentation,
* the name of Carnegie Mellon not be used in advertising or publicity
* pertaining to distribution of the program without specific prior
* permission, and notice be given in supporting documentation that copying
* and distribution is by permission of Carnegie Mellon and Stanford
* University. Carnegie Mellon makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#define PPP_HDRLEN 4 /* length of PPP header */
#define PPP_ADDRESS 0xff /* The address byte value */
#define PPP_CONTROL 0x03 /* The control byte value */
#define PPP_PPPD_IN 0x00 /* non-standard for DLT_PPP_PPPD */
#define PPP_PPPD_OUT 0x01 /* non-standard for DLT_PPP_PPPD */