include/uapi/linux/hdlc.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Generic HDLC support routines for Linux
   4  *
   5  * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License
   9  * as published by the Free Software Foundation.
  10  */
  11
  12 #ifndef _UAPI__HDLC_H
  13 #define _UAPI__HDLC_H
  14
  15
  16 #define HDLC_MAX_MTU 1500       /* Ethernet 1500 bytes */
  17 #if 0
  18 #define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */
  19 #else
  20 #define HDLC_MAX_MRU 1600 /* as required for FR network */
  21 #endif
  22
  23
  24 #endif /* _UAPI__HDLC_H */