xref: /netbsd/sys/net/if_ppp.h (revision bf9ec67e)
1 /*	$NetBSD: if_ppp.h,v 1.18 2001/01/15 16:33:31 thorpej Exp $	*/
2 /*	Id: if_ppp.h,v 1.16 1997/04/30 05:46:04 paulus Exp 	*/
3 
4 /*
5  * if_ppp.h - Point-to-Point Protocol definitions.
6  *
7  * Copyright (c) 1989 Carnegie Mellon University.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms are permitted
11  * provided that the above copyright notice and this paragraph are
12  * duplicated in all such forms and that any documentation,
13  * advertising materials, and other materials related to such
14  * distribution and use acknowledge that the software was developed
15  * by Carnegie Mellon University.  The name of the
16  * University may not be used to endorse or promote products derived
17  * from this software without specific prior written permission.
18  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21  */
22 
23 #ifndef _NET_IF_PPP_H_
24 #define _NET_IF_PPP_H_
25 
26 /*
27  * Bit definitions for flags.
28  */
29 #define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
30 #define SC_COMP_AC	0x00000002	/* header compression (output) */
31 #define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
32 #define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
33 #define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
34 #define SC_REJ_COMP_TCP	0x00000020	/* reject TCP (VJ) comp. on input */
35 #define SC_CCP_OPEN	0x00000040	/* Look at CCP packets */
36 #define SC_CCP_UP	0x00000080	/* May send/recv compressed packets */
37 #define SC_DEBUG	0x00010000	/* enable debug messages */
38 #define SC_LOG_INPKT	0x00020000	/* log contents of good pkts recvd */
39 #define SC_LOG_OUTPKT	0x00040000	/* log contents of pkts sent */
40 #define SC_LOG_RAWIN	0x00080000	/* log all chars received */
41 #define SC_LOG_FLUSH	0x00100000	/* log all chars flushed */
42 #define SC_SYNC		0x00200000	/* synchronous HDLC */
43 #define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
44 #define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
45 #define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
46 #define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
47 
48 #define	SC_MASK		0x0fff00ff	/* bits that user can change */
49 
50 /*
51  * State bits in sc_flags, not changeable by user.
52  */
53 #define SC_TIMEOUT	0x00000400	/* timeout is currently pending */
54 #define SC_VJ_RESET	0x00000800	/* need to reset VJ decomp */
55 #define SC_COMP_RUN	0x00001000	/* compressor has been inited */
56 #define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
57 #define SC_DC_ERROR	0x00004000	/* non-fatal decomp error detected */
58 #define SC_DC_FERROR	0x00008000	/* fatal decomp error detected */
59 #define SC_TBUSY	0x10000000	/* xmitter doesn't need a packet yet */
60 #define SC_PKTLOST	0x20000000	/* have lost or dropped a packet */
61 #define	SC_FLUSH	0x40000000	/* flush input until next PPP_FLAG */
62 #define	SC_ESCAPED	0x80000000	/* saw a PPP_ESCAPE */
63 
64 /*
65  * Ioctl definitions.
66  */
67 
68 struct npioctl {
69     int		protocol;	/* PPP procotol, e.g. PPP_IP */
70     enum NPmode	mode;
71 };
72 
73 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
74 struct ppp_option_data {
75 	u_char	*ptr;
76 	u_int	length;
77 	int	transmit;
78 };
79 
80 struct ifpppstatsreq {
81     char ifr_name[IFNAMSIZ];
82     struct ppp_stats stats;
83 };
84 
85 struct ifpppcstatsreq {
86     char ifr_name[IFNAMSIZ];
87     struct ppp_comp_stats stats;
88 };
89 
90 /*
91  * Ioctl definitions.
92  */
93 
94 #define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
95 #define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
96 #define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
97 #define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
98 #define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
99 #define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
100 #define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
101 #define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
102 #define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
103 #define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
104 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
105 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
106 #define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
107 #define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
108 #define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
109 #define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
110 #define PPPIOCGIDLE	_IOR('t', 74, struct ppp_idle) /* get idle time */
111 #ifdef PPP_FILTER
112 /*
113  * XXX These are deprecated; they can no longer be used, because they
114  * XXX don't play well with multiple encaps.  The defs are here so that
115  * XXX we can return decent errors to old pppds, and so that new pppds
116  * XXX will work with old kernels.
117  */
118 #define PPPIOCSPASS	_IOW('t', 71, struct bpf_program) /* set pass filter */
119 #define PPPIOCSACTIVE	_IOW('t', 70, struct bpf_program) /* set active filt */
120 
121 /*
122  * Use these instead.
123  */
124 #define	PPPIOCSIPASS	_IOW('t', 69, struct bpf_program) /* set in pass flt */
125 #define	PPPIOCSOPASS	_IOW('t', 68, struct bpf_program) /* set out pass flt */
126 #define	PPPIOCSIACTIVE	_IOW('t', 67, struct bpf_program) /* set in act flt */
127 #define	PPPIOCSOACTIVE	_IOW('t', 66, struct bpf_program) /* set out act flt */
128 #endif /* PPP_FILTER */
129 
130 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
131 #define PPPIOCGMTU	_IOR('t', 73, int)	/* get interface MTU */
132 #define PPPIOCSMTU	_IOW('t', 72, int)	/* set interface MTU */
133 
134 /*
135  * These two are interface ioctls so that pppstats can do them on
136  * a socket without having to open the serial device.
137  */
138 #define SIOCGPPPSTATS	_IOWR('i', 123, struct ifpppstatsreq)
139 #define SIOCGPPPCSTATS	_IOWR('i', 122, struct ifpppcstatsreq)
140 
141 #if !defined(ifr_mtu)
142 #define ifr_mtu	ifr_ifru.ifru_metric
143 #endif
144 
145 #if defined(_KERNEL) || defined(KERNEL)
146 void pppattach __P((void));
147 #endif
148 #endif /* _NET_IF_PPP_H_ */
149