1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2  /*
3   * ppp-ioctl.h - PPP ioctl definitions.
4   *
5   * Copyright 1999-2002 Paul Mackerras.
6   *
7   *  This program is free software; you can redistribute it and/or
8   *  modify it under the terms of the GNU General Public License
9   *  version 2 as published by the Free Software Foundation.
10   */
11  #ifndef _PPP_IOCTL_H
12  #define _PPP_IOCTL_H
13  
14  #include <linux/types.h>
15  #include <linux/compiler.h>
16  #include <linux/ppp_defs.h>
17  
18  /*
19   * Bit definitions for flags argument to PPPIOCGFLAGS/PPPIOCSFLAGS.
20   */
21  #define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
22  #define SC_COMP_AC	0x00000002	/* header compression (output) */
23  #define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
24  #define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
25  #define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
26  #define SC_REJ_COMP_TCP	0x00000020	/* reject TCP (VJ) comp. on input */
27  #define SC_CCP_OPEN	0x00000040	/* Look at CCP packets */
28  #define SC_CCP_UP	0x00000080	/* May send/recv compressed packets */
29  #define SC_ENABLE_IP	0x00000100	/* IP packets may be exchanged */
30  #define SC_LOOP_TRAFFIC	0x00000200	/* send traffic to pppd */
31  #define SC_MULTILINK	0x00000400	/* do multilink encapsulation */
32  #define SC_MP_SHORTSEQ	0x00000800	/* use short MP sequence numbers */
33  #define SC_COMP_RUN	0x00001000	/* compressor has been inited */
34  #define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
35  #define SC_MP_XSHORTSEQ	0x00004000	/* transmit short MP seq numbers */
36  #define SC_DEBUG	0x00010000	/* enable debug messages */
37  #define SC_LOG_INPKT	0x00020000	/* log contents of good pkts recvd */
38  #define SC_LOG_OUTPKT	0x00040000	/* log contents of pkts sent */
39  #define SC_LOG_RAWIN	0x00080000	/* log all chars received */
40  #define SC_LOG_FLUSH	0x00100000	/* log all chars flushed */
41  #define	SC_SYNC		0x00200000	/* synchronous serial mode */
42  #define	SC_MUST_COMP    0x00400000	/* no uncompressed packets may be sent or received */
43  #define	SC_MASK		0x0f600fff	/* bits that user can change */
44  
45  /* state bits */
46  #define SC_XMIT_BUSY	0x10000000	/* (used by isdn_ppp?) */
47  #define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
48  #define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
49  #define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
50  #define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
51  #define SC_DC_FERROR	0x00800000	/* fatal decomp error detected */
52  #define SC_DC_ERROR	0x00400000	/* non-fatal decomp error detected */
53  
54  /* Used with PPPIOCGNPMODE/PPPIOCSNPMODE */
55  struct npioctl {
56  	int		protocol;	/* PPP protocol, e.g. PPP_IP */
57  	enum NPmode	mode;
58  };
59  
60  /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
61  struct ppp_option_data {
62  	__u8	__user *ptr;
63  	__u32	length;
64  	int	transmit;
65  };
66  
67  /* For PPPIOCGL2TPSTATS */
68  struct pppol2tp_ioc_stats {
69  	__u16		tunnel_id;	/* redundant */
70  	__u16		session_id;	/* if zero, get tunnel stats */
71  	__u32		using_ipsec:1;
72  	__aligned_u64	tx_packets;
73  	__aligned_u64	tx_bytes;
74  	__aligned_u64	tx_errors;
75  	__aligned_u64	rx_packets;
76  	__aligned_u64	rx_bytes;
77  	__aligned_u64	rx_seq_discards;
78  	__aligned_u64	rx_oos_packets;
79  	__aligned_u64	rx_errors;
80  };
81  
82  /*
83   * Ioctl definitions.
84   */
85  
86  #define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
87  #define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
88  #define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
89  #define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
90  #define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
91  #define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
92  #define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
93  #define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
94  #define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
95  #define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
96  #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
97  #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
98  #define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
99  #define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
100  #define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
101  #define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
102  #define PPPIOCSPASS	_IOW('t', 71, struct sock_fprog) /* set pass filter */
103  #define PPPIOCSACTIVE	_IOW('t', 70, struct sock_fprog) /* set active filt */
104  #define PPPIOCGDEBUG	_IOR('t', 65, int)	/* Read debug level */
105  #define PPPIOCSDEBUG	_IOW('t', 64, int)	/* Set debug level */
106  #define PPPIOCGIDLE	_IOR('t', 63, struct ppp_idle) /* get idle time */
107  #define PPPIOCGIDLE32	_IOR('t', 63, struct ppp_idle32) /* 32-bit times */
108  #define PPPIOCGIDLE64	_IOR('t', 63, struct ppp_idle64) /* 64-bit times */
109  #define PPPIOCNEWUNIT	_IOWR('t', 62, int)	/* create new ppp unit */
110  #define PPPIOCATTACH	_IOW('t', 61, int)	/* attach to ppp unit */
111  #define PPPIOCDETACH	_IOW('t', 60, int)	/* obsolete, do not use */
112  #define PPPIOCSMRRU	_IOW('t', 59, int)	/* set multilink MRU */
113  #define PPPIOCCONNECT	_IOW('t', 58, int)	/* connect channel to unit */
114  #define PPPIOCDISCONN	_IO('t', 57)		/* disconnect channel */
115  #define PPPIOCATTCHAN	_IOW('t', 56, int)	/* attach to ppp channel */
116  #define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
117  #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats)
118  #define PPPIOCBRIDGECHAN _IOW('t', 53, int)	/* bridge one channel to another */
119  #define PPPIOCUNBRIDGECHAN _IO('t', 52)	/* unbridge channel */
120  
121  #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
122  #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)	/* NEVER change this!! */
123  #define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
124  
125  #endif /* _PPP_IOCTL_H */
126