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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * if_ppp.h - Point-to-Point Protocol definitions.
24: *
25: * Copyright (c) 1989 Carnegie Mellon University.
26: * All rights reserved.
27: *
28: * Redistribution and use in source and binary forms are permitted
29: * provided that the above copyright notice and this paragraph are
30: * duplicated in all such forms and that any documentation,
31: * advertising materials, and other materials related to such
32: * distribution and use acknowledge that the software was developed
33: * by Carnegie Mellon University. The name of the
34: * University may not be used to endorse or promote products derived
35: * from this software without specific prior written permission.
36: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
37: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
38: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
39: *
40: */
41:
42: #ifndef _IF_PPP_H_
43: #define _IF_PPP_H_
44:
45: /* XXX this used to be self-contained. */
46: #include <net/ppp_defs.h>
47: #include <net/if.h>
48:
49: /*
50: * Packet sizes
51: */
52: #define PPP_MTU 1500 /* Default MTU (size of Info field) */
53: #define PPP_MAXMRU 65000 /* Largest MRU we allow */
54: #define PPP_MAXMTU 16384 /* Largest MTU we allow */
55:
56: /*
57: * Bit definitions for flags.
58: */
59: #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
60: #define SC_COMP_AC 0x00000002 /* header compression (output) */
61: #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
62: #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
63: #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
64: #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
65: #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
66: #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
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_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
73: #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
74: #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
75: #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
76: #define SC_MASK 0x0fff00ff /* bits that user can change */
77:
78: /*
79: * State bits in sc_flags, not changeable by user.
80: */
81: #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
82: #define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
83: #define SC_COMP_RUN 0x00001000 /* compressor has been initiated */
84: #define SC_DECOMP_RUN 0x00002000 /* decompressor has been initiated */
85: #define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
86: #define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
87: #define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
88: #define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
89: #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
90: #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
91:
92: /*
93: * Ioctl definitions.
94: */
95:
96: struct npioctl {
97: int protocol; /* PPP procotol, e.g. PPP_IP */
98: enum NPmode mode;
99: };
100:
101: /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
102: struct ppp_option_data {
103: u_char *ptr;
104: u_int length;
105: int transmit;
106: };
107:
108: struct ifpppstatsreq {
109: char ifr_name[IFNAMSIZ];
110: struct ppp_stats stats;
111: };
112:
113: struct ifpppcstatsreq {
114: char ifr_name[IFNAMSIZ];
115: struct ppp_comp_stats stats;
116: };
117:
118: /*
119: * Ioctl definitions.
120: */
121:
122: #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
123: #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
124: #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
125: #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
126: #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
127: #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
128: #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
129: #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
130: #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
131: #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
132: #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
133: #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
134: #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
135: #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
136: #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
137: #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
138: #define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */
139: #define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */
140: #define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */
141:
142: /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
143: #define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */
144: #define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */
145:
146: /*
147: * These two are interface ioctls so that pppstats can do them on
148: * a socket without having to open the serial device.
149: */
150: #define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
151: #define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
152:
153: #if !defined(ifr_mtu)
154: #define ifr_mtu ifr_ifru.ifru_metric
155: #endif
156:
157: #endif /* _IF_PPP_H_ */
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