1 /* 2 * Generic HDLC support routines for Linux 3 * 4 * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of version 2 of the GNU General Public License 8 * as published by the Free Software Foundation. 9 */ 10 11 #ifndef _UAPI__HDLC_H 12 #define _UAPI__HDLC_H 13 14 15 #define HDLC_MAX_MTU 1500 /* Ethernet 1500 bytes */ 16 #if 0 17 #define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */ 18 #else 19 #define HDLC_MAX_MRU 1600 /* as required for FR network */ 20 #endif 21 22 23 #endif /* _UAPI__HDLC_H */ 24