1/*	$Id: if_ppp.h,v 1.1.1.1 2008/10/15 03:30:13 james26_jang Exp $	*/
2
3/*
4 * if_ppp.h - Point-to-Point Protocol definitions.
5 *
6 * Copyright (c) 1989 Carnegie Mellon University.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms are permitted
10 * provided that the above copyright notice and this paragraph are
11 * duplicated in all such forms and that any documentation,
12 * advertising materials, and other materials related to such
13 * distribution and use acknowledge that the software was developed
14 * by Carnegie Mellon University.  The name of the
15 * University may not be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
19 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22#ifndef _IF_PPP_H_
23#define _IF_PPP_H_
24
25/*
26 * Bit definitions for flags.
27 */
28#define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
29#define SC_COMP_AC	0x00000002	/* header compression (output) */
30#define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
31#define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
32#define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
33#define SC_REJ_COMP_TCP	0x00000020	/* reject TCP (VJ) comp. on input */
34#define SC_CCP_OPEN	0x00000040	/* Look at CCP packets */
35#define SC_CCP_UP	0x00000080	/* May send/recv compressed packets */
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_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
42#define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
43#define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
44#define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
45#define SC_SYNC		0x00200000	/* use synchronous HDLC framing */
46#define	SC_MASK		0x0fff00ff	/* bits that user can change */
47
48/*
49 * State bits in sc_flags, not changeable by user.
50 */
51#define SC_TIMEOUT	0x00000400	/* timeout is currently pending */
52#define SC_VJ_RESET	0x00000800	/* need to reset VJ decomp */
53#define SC_COMP_RUN	0x00001000	/* compressor has been inited */
54#define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
55#define SC_DC_ERROR	0x00004000	/* non-fatal decomp error detected */
56#define SC_DC_FERROR	0x00008000	/* fatal decomp error detected */
57#define SC_TBUSY	0x10000000	/* xmitter doesn't need a packet yet */
58#define SC_PKTLOST	0x20000000	/* have lost or dropped a packet */
59#define	SC_FLUSH	0x40000000	/* flush input until next PPP_FLAG */
60#define	SC_ESCAPED	0x80000000	/* saw a PPP_ESCAPE */
61
62/*
63 * Ioctl definitions.
64 */
65
66struct npioctl {
67    int		protocol;	/* PPP procotol, e.g. PPP_IP */
68    enum NPmode	mode;
69};
70
71/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
72struct ppp_option_data {
73	u_char	*ptr;
74	u_int	length;
75	int	transmit;
76};
77
78struct ifpppstatsreq {
79    char ifr_name[IFNAMSIZ];
80    struct ppp_stats stats;
81};
82
83struct ifpppcstatsreq {
84    char ifr_name[IFNAMSIZ];
85    struct ppp_comp_stats stats;
86};
87
88/*
89 * Ioctl definitions.
90 */
91
92#define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
93#define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
94#define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
95#define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
96#define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
97#define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
98#define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
99#define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
100#define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
101#define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
102#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
103#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
104#define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
105#define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
106#define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
107#define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
108#define PPPIOCGIDLE	_IOR('t', 74, struct ppp_idle) /* get idle time */
109#ifdef PPP_FILTER
110#define PPPIOCSPASS	_IOW('t', 71, struct bpf_program) /* set pass filter */
111#define PPPIOCSACTIVE	_IOW('t', 70, struct bpf_program) /* set active filt */
112#endif /* PPP_FILTER */
113
114/* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
115#define PPPIOCGMTU	_IOR('t', 73, int)	/* get interface MTU */
116#define PPPIOCSMTU	_IOW('t', 72, int)	/* set interface MTU */
117
118/*
119 * These two are interface ioctls so that pppstats can do them on
120 * a socket without having to open the serial device.
121 */
122#define SIOCGPPPSTATS	_IOWR('i', 123, struct ifpppstatsreq)
123#define SIOCGPPPCSTATS	_IOWR('i', 122, struct ifpppcstatsreq)
124
125#if !defined(ifr_mtu)
126#define ifr_mtu	ifr_ifru.ifru_metric
127#endif
128
129#if (defined(_KERNEL) || defined(KERNEL)) && !defined(NeXT)
130void pppattach __P((void));
131void pppintr __P((void));
132#endif
133#endif /* _IF_PPP_H_ */
134