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 PPPIOCNEWUNIT	_IOWR('t', 62, int)	/* create new ppp unit */
108 #define PPPIOCATTACH	_IOW('t', 61, int)	/* attach to ppp unit */
109 #define PPPIOCDETACH	_IOW('t', 60, int)	/* obsolete, do not use */
110 #define PPPIOCSMRRU	_IOW('t', 59, int)	/* set multilink MRU */
111 #define PPPIOCCONNECT	_IOW('t', 58, int)	/* connect channel to unit */
112 #define PPPIOCDISCONN	_IO('t', 57)		/* disconnect channel */
113 #define PPPIOCATTCHAN	_IOW('t', 56, int)	/* attach to ppp channel */
114 #define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
115 #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats)
116 
117 #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
118 #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)	/* NEVER change this!! */
119 #define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
120 
121 #endif /* _PPP_IOCTL_H */
122