FreeBSD/Linux Kernel Cross Reference
sys/net/if_ppp.h
1 /*
2 * if_ppp.h - Point-to-Point Protocol definitions.
3 *
4 * Copyright (c) 1989 Carnegie Mellon University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University. The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * $FreeBSD$
20 */
21
22 #ifndef _IF_PPP_H_
23 #define _IF_PPP_H_
24
25 /* XXX this used to be self-contained. */
26 #include <net/ppp_defs.h>
27 #include <net/if.h>
28
29 /*
30 * Packet sizes
31 */
32 #define PPP_MTU 1500 /* Default MTU (size of Info field) */
33 #define PPP_MAXMRU 65000 /* Largest MRU we allow */
34 #define PPP_MAXMTU 16384 /* Largest MTU we allow */
35
36 /*
37 * Bit definitions for flags.
38 */
39 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
40 #define SC_COMP_AC 0x00000002 /* header compression (output) */
41 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
42 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
43 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
44 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
45 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
46 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
47 #define SC_DEBUG 0x00010000 /* enable debug messages */
48 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
49 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
50 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */
51 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
52 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
53 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
54 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
55 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
56 #define SC_MASK 0x0fff00ff /* bits that user can change */
57
58 /*
59 * State bits in sc_flags, not changeable by user.
60 */
61 #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
62 #define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
63 #define SC_COMP_RUN 0x00001000 /* compressor has been initiated */
64 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been initiated */
65 #define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
66 #define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
67 #define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
68 #define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
69 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
70 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
71
72 /*
73 * Ioctl definitions.
74 */
75
76 struct npioctl {
77 int protocol; /* PPP procotol, e.g. PPP_IP */
78 enum NPmode mode;
79 };
80
81 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
82 struct ppp_option_data {
83 u_char *ptr;
84 u_int length;
85 int transmit;
86 };
87
88 struct ifpppstatsreq {
89 char ifr_name[IFNAMSIZ];
90 struct ppp_stats stats;
91 };
92
93 struct ifpppcstatsreq {
94 char ifr_name[IFNAMSIZ];
95 struct ppp_comp_stats stats;
96 };
97
98 /*
99 * Ioctl definitions.
100 */
101
102 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
103 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
104 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
105 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
106 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
107 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
108 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
109 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
110 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
111 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
112 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
113 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
114 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
115 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
116 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
117 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
118 #define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */
119 #define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */
120 #define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */
121
122 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
123 #define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */
124 #define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */
125
126 /*
127 * These two are interface ioctls so that pppstats can do them on
128 * a socket without having to open the serial device.
129 */
130 #define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
131 #define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
132
133 #if !defined(ifr_mtu)
134 #define ifr_mtu ifr_ifru.ifru_metric
135 #endif
136
137 #endif /* _IF_PPP_H_ */
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