✏ EDIT: isdn_ppp.h

/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
/* Linux ISDN subsystem, sync PPP, interface to ipppd
 *
 * Copyright 1994-1999  by Fritz Elfert (fritz@isdn4linux.de)
 * Copyright 1995,96    Thinking Objects Software GmbH Wuerzburg
 * Copyright 1995,96    by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de)
 * Copyright 2000-2002  by Kai Germaschewski (kai@germaschewski.name)
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef _LINUX_ISDN_PPP_H
#define _LINUX_ISDN_PPP_H

#define CALLTYPE_INCOMING 0x1
#define CALLTYPE_OUTGOING 0x2
#define CALLTYPE_CALLBACK 0x4

#define IPPP_VERSION    "2.2.0"

struct pppcallinfo
{
  int calltype;
  unsigned char local_num[64];
  unsigned char remote_num[64];
  int charge_units;
};

#define PPPIOCGCALLINFO _IOWR('t',128,struct pppcallinfo)
#define PPPIOCBUNDLE   _IOW('t',129,int)
#define PPPIOCGMPFLAGS _IOR('t',130,int)
#define PPPIOCSMPFLAGS _IOW('t',131,int)
#define PPPIOCSMPMTU   _IOW('t',132,int)
#define PPPIOCSMPMRU   _IOW('t',133,int)
#define PPPIOCGCOMPRESSORS _IOR('t',134,unsigned long [8])
#define PPPIOCSCOMPRESSOR _IOW('t',135,int)
#define PPPIOCGIFNAME      _IOR('t',136, char [IFNAMSIZ] )

#define SC_MP_PROT       0x00000200
#define SC_REJ_MP_PROT   0x00000400
#define SC_OUT_SHORT_SEQ 0x00000800
#define SC_IN_SHORT_SEQ  0x00004000

#define SC_DECOMP_ON		0x01
#define SC_COMP_ON		0x02
#define SC_DECOMP_DISCARD	0x04
#define SC_COMP_DISCARD		0x08
#define SC_LINK_DECOMP_ON	0x10
#define SC_LINK_COMP_ON		0x20
#define SC_LINK_DECOMP_DISCARD	0x40
#define SC_LINK_COMP_DISCARD	0x80

#define ISDN_PPP_COMP_MAX_OPTIONS 16

#define IPPP_COMP_FLAG_XMIT 0x1
#define IPPP_COMP_FLAG_LINK 0x2

struct isdn_ppp_comp_data {
  int num;
  unsigned char options[ISDN_PPP_COMP_MAX_OPTIONS];
  int optlen;
  int flags;
};

#endif /* _LINUX_ISDN_PPP_H */

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