master
1/* $NetBSD: if_ppp.h,v 1.27 2015/09/06 06:01:01 dholland 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) 1984-2000 Carnegie Mellon University. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The name "Carnegie Mellon University" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For permission or any legal
24 * details, please contact
25 * Office of Technology Transfer
26 * Carnegie Mellon University
27 * 5000 Forbes Avenue
28 * Pittsburgh, PA 15213-3890
29 * (412) 268-4387, fax: (412) 268-7395
30 * tech-transfer@andrew.cmu.edu
31 *
32 * 4. Redistributions of any form whatsoever must retain the following
33 * acknowledgment:
34 * "This product includes software developed by Computing Services
35 * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
36 *
37 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
38 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
39 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
40 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
41 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
42 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
43 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
44 */
45
46#ifndef _NET_IF_PPP_H_
47#define _NET_IF_PPP_H_
48
49#include <sys/ioccom.h>
50
51/*
52 * Bit definitions for flags.
53 */
54#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
55#define SC_COMP_AC 0x00000002 /* header compression (output) */
56#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
57#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
58#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
59#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
60#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
61#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
62#define SC_DEBUG 0x00010000 /* enable debug messages */
63#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
64#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
65#define SC_LOG_RAWIN 0x00080000 /* log all chars received */
66#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
67#define SC_SYNC 0x00200000 /* synchronous HDLC */
68#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
69#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
70#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
71#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
72
73#define SC_MASK 0x0fff00ff /* bits that user can change */
74
75/*
76 * State bits in sc_flags, not changeable by user.
77 */
78#define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
79#define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
80#define SC_COMP_RUN 0x00001000 /* compressor has been inited */
81#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
82#define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
83#define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
84#define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
85#define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
86#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
87#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
88
89/*
90 * Ioctl definitions.
91 */
92
93struct npioctl {
94 int protocol; /* PPP procotol, e.g. PPP_IP */
95 enum NPmode mode;
96};
97
98/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
99struct ppp_option_data {
100 u_char *ptr;
101 u_int length;
102 int transmit;
103};
104
105struct ifpppstatsreq {
106 char ifr_name[IFNAMSIZ];
107 struct ppp_stats stats;
108};
109
110struct ifpppcstatsreq {
111 char ifr_name[IFNAMSIZ];
112 struct ppp_comp_stats stats;
113};
114
115struct ppp_rawin {
116 u_char buf[63];
117 u_char count;
118};
119
120/*
121 * Ioctl definitions.
122 */
123
124#define PPPIOCGRAWIN _IOR('t', 91, struct ppp_rawin) /* get raw input */
125#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
126#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
127#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
128#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
129#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
130#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
131#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
132#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
133#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
134#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
135#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
136#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
137#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
138#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
139#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
140#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
141#define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */
142#ifdef PPP_FILTER
143/*
144 * XXX These are deprecated; they can no longer be used, because they
145 * XXX don't play well with multiple encaps. The defs are here so that
146 * XXX we can return decent errors to old pppds, and so that new pppds
147 * XXX will work with old kernels.
148 */
149#define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */
150#define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */
151
152/*
153 * Use these instead.
154 */
155#define PPPIOCSIPASS _IOW('t', 69, struct bpf_program) /* set in pass flt */
156#define PPPIOCSOPASS _IOW('t', 68, struct bpf_program) /* set out pass flt */
157#define PPPIOCSIACTIVE _IOW('t', 67, struct bpf_program) /* set in act flt */
158#define PPPIOCSOACTIVE _IOW('t', 66, struct bpf_program) /* set out act flt */
159#endif /* PPP_FILTER */
160
161/* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
162#define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */
163#define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */
164
165/*
166 * These two are interface ioctls so that pppstats can do them on
167 * a socket without having to open the serial device.
168 */
169#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
170#define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
171
172#if !defined(ifr_mtu)
173#define ifr_mtu ifr_ifru.ifru_metric
174#endif
175
176#if defined(_KERNEL) || defined(KERNEL)
177struct compressor;
178int ppp_register_compressor(struct compressor *, size_t);
179int ppp_unregister_compressor(struct compressor *, size_t);
180#endif
181#endif /* !_NET_IF_PPP_H_ */