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
23/*
24 *  ==FILEVERSION 20000724==
25 *
26 *  NOTE TO MAINTAINERS:
27 *     If you modify this file at all, please set the above date.
28 *     if_ppp.h is shipped with a PPP distribution as well as with the kernel;
29 *     if everyone increases the FILEVERSION number above, then scripts
30 *     can do the right thing when deciding whether to install a new if_ppp.h
31 *     file.  Don't change the format of that line otherwise, so the
32 *     installation script can recognize it.
33 */
34
35#ifndef _IF_PPP_H_
36#define _IF_PPP_H_
37
38/*
39 * Packet sizes
40 */
41
42#define	PPP_MTU		1500	/* Default MTU (size of Info field) */
43#define PPP_MAXMRU	65000	/* Largest MRU we allow */
44#define PROTO_IPX	0x002b	/* protocol numbers */
45#define PROTO_DNA_RT    0x0027  /* DNA Routing */
46
47
48/*
49 * Bit definitions for flags.
50 */
51
52#define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
53#define SC_COMP_AC	0x00000002	/* header compression (output) */
54#define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
55#define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
56#define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
57#define SC_REJ_COMP_TCP	0x00000020	/* reject TCP (VJ) comp. on input */
58#define SC_CCP_OPEN	0x00000040	/* Look at CCP packets */
59#define SC_CCP_UP	0x00000080	/* May send/recv compressed packets */
60#define SC_ENABLE_IP	0x00000100	/* IP packets may be exchanged */
61#define SC_LOOP_TRAFFIC	0x00000200	/* send traffic to pppd */
62#define SC_MULTILINK	0x00000400	/* do multilink encapsulation */
63#define SC_MP_SHORTSEQ	0x00000800	/* use short MP sequence numbers */
64#define SC_COMP_RUN	0x00001000	/* compressor has been inited */
65#define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
66#define SC_MP_XSHORTSEQ	0x00004000	/* transmit short MP seq numbers */
67#define SC_DEBUG	0x00010000	/* enable debug messages */
68#define SC_LOG_INPKT	0x00020000	/* log contents of good pkts recvd */
69#define SC_LOG_OUTPKT	0x00040000	/* log contents of pkts sent */
70#define SC_LOG_RAWIN	0x00080000	/* log all chars received */
71#define SC_LOG_FLUSH	0x00100000	/* log all chars flushed */
72#define	SC_SYNC		0x00200000	/* synchronous serial mode */
73#define	SC_MASK		0x0f200fff	/* bits that user can change */
74
75/* state bits */
76#define SC_XMIT_BUSY	0x10000000	/* (used by isdn_ppp?) */
77#define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
78#define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
79#define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
80#define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
81#define SC_DC_FERROR	0x00800000	/* fatal decomp error detected */
82#define SC_DC_ERROR	0x00400000	/* non-fatal decomp error detected */
83
84/*
85 * Ioctl definitions.
86 */
87
88struct npioctl {
89	int		protocol;	/* PPP protocol, e.g. PPP_IP */
90	enum NPmode	mode;
91};
92
93/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
94struct ppp_option_data {
95	__u8	*ptr;
96	__u32	length;
97	int	transmit;
98};
99
100struct ifpppstatsreq {
101	struct ifreq	 b;
102	struct ppp_stats stats;			/* statistic information */
103};
104
105struct ifpppcstatsreq {
106	struct ifreq	      b;
107	struct ppp_comp_stats stats;
108};
109
110#define ifr__name       b.ifr_ifrn.ifrn_name
111#define stats_ptr       b.ifr_ifru.ifru_data
112
113/*
114 * Ioctl definitions.
115 */
116
117#define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
118#define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
119#define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
120#define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
121#define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
122#define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
123#define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
124#define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
125#define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
126#define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
127#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
128#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
129#define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
130#define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
131#define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
132#define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
133#define PPPIOCSPASS	_IOW('t', 71, struct sock_fprog) /* set pass filter */
134#define PPPIOCSACTIVE	_IOW('t', 70, struct sock_fprog) /* set active filt */
135#define PPPIOCGDEBUG	_IOR('t', 65, int)	/* Read debug level */
136#define PPPIOCSDEBUG	_IOW('t', 64, int)	/* Set debug level */
137#define PPPIOCGIDLE	_IOR('t', 63, struct ppp_idle) /* get idle time */
138#define PPPIOCNEWUNIT	_IOWR('t', 62, int)	/* create new ppp unit */
139#define PPPIOCATTACH	_IOW('t', 61, int)	/* attach to ppp unit */
140#define PPPIOCDETACH	_IOW('t', 60, int)	/* detach from ppp unit/chan */
141#define PPPIOCSMRRU	_IOW('t', 59, int)	/* set multilink MRU */
142#define PPPIOCCONNECT	_IOW('t', 58, int)	/* connect channel to unit */
143#define PPPIOCDISCONN	_IO('t', 57)		/* disconnect channel */
144#define PPPIOCATTCHAN	_IOW('t', 56, int)	/* attach to ppp channel */
145#define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
146
147#define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
148#define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)	/* NEVER change this!! */
149#define SIOCGPPPCSTATS  (SIOCDEVPRIVATE + 2)
150
151#if !defined(ifr_mtu)
152#define ifr_mtu	ifr_ifru.ifru_metric
153#endif
154
155#endif /* _IF_PPP_H_ */
156