glibc (2.38)
1 /* From: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp */
2
3 /*
4 * if_ppp.h - Point-to-Point Protocol definitions.
5 *
6 * Copyright (c) 1989 Carnegie Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY AND
21 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35 /*
36 * ==FILEVERSION 960926==
37 *
38 * NOTE TO MAINTAINERS:
39 * If you modify this file at all, please set the above date.
40 * if_ppp.h is shipped with a PPP distribution as well as with the kernel;
41 * if everyone increases the FILEVERSION number above, then scripts
42 * can do the right thing when deciding whether to install a new if_ppp.h
43 * file. Don't change the format of that line otherwise, so the
44 * installation script can recognize it.
45 */
46
47
48 #ifndef __NET_IF_PPP_H
49 #define __NET_IF_PPP_H 1
50
51 #include <sys/types.h>
52 #include <stdint.h>
53 #include <net/if.h>
54 #include <sys/ioctl.h>
55 #include <net/ppp_defs.h>
56
57 __BEGIN_DECLS
58
59 /*
60 * Packet sizes
61 */
62
63 #define PPP_MTU 1500 /* Default MTU (size of Info field) */
64 #define PPP_MAXMRU 65000 /* Largest MRU we allow */
65 #define PPP_VERSION "2.2.0"
66 #define PPP_MAGIC 0x5002 /* Magic value for the ppp structure */
67 #define PROTO_IPX 0x002b /* protocol numbers */
68 #define PROTO_DNA_RT 0x0027 /* DNA Routing */
69
70
71 /*
72 * Bit definitions for flags.
73 */
74
75 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
76 #define SC_COMP_AC 0x00000002 /* header compression (output) */
77 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
78 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
79 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
80 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
81 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
82 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
83 #define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */
84 #define SC_COMP_RUN 0x00001000 /* compressor has been inited */
85 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
86 #define SC_DEBUG 0x00010000 /* enable debug messages */
87 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
88 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
89 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */
90 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
91 #define SC_MASK 0x0fE0ffff /* bits that user can change */
92
93 /* state bits */
94 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
95 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
96 #define SC_VJ_RESET 0x20000000 /* Need to reset the VJ decompressor */
97 #define SC_XMIT_BUSY 0x10000000 /* ppp_write_wakeup is active */
98 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
99 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
100 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
101 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
102 #define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */
103 #define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */
104
105 /*
106 * Ioctl definitions.
107 */
108
109 struct npioctl {
110 int protocol; /* PPP protocol, e.g. PPP_IP */
111 enum NPmode mode;
112 };
113
114 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
115 struct ppp_option_data {
116 uint8_t *ptr;
117 uint32_t length;
118 int transmit;
119 };
120
121 /* 'struct ifreq' is only available from net/if.h under __USE_MISC. */
122 #ifdef __USE_MISC
123 struct ifpppstatsreq {
124 struct ifreq b;
125 struct ppp_stats stats; /* statistic information */
126 };
127
128 struct ifpppcstatsreq {
129 struct ifreq b;
130 struct ppp_comp_stats stats;
131 };
132
133 #define ifr__name b.ifr_ifrn.ifrn_name
134 #define stats_ptr b.ifr_ifru.ifru_data
135 #endif
136
137 /*
138 * Ioctl definitions.
139 */
140
141 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
142 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
143 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
144 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
145 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
146 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
147 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
148 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
149 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
150 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
151 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
152 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
153 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
154 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
155 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
156 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
157 #define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */
158 #define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */
159 #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */
160
161 #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0)
162 #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */
163 #define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2)
164
165 #if !defined(ifr_mtu)
166 #define ifr_mtu ifr_ifru.ifru_metric
167 #endif
168
169 __END_DECLS
170
171 #endif /* net/if_ppp.h */
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