1 /* $Id: if_ppp.h,v 1.8 1994/10/22 11:56:19 paulus Exp $ */
4 * if_ppp.h - Point-to-Point Protocol definitions.
6 * Copyright (c) 1989 Carnegie Mellon University.
9 * Redistribution and use in source and binary forms are permitted
10 * provided that the above copyright notice and this paragraph are
11 * duplicated in all such forms and that any documentation,
12 * advertising materials, and other materials related to such
13 * distribution and use acknowledge that the software was developed
14 * by Carnegie Mellon University. The name of the
15 * University may not be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
19 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
28 #define PPP_MTU 1500 /* Default MTU (size of Info field) */
29 #define PPP_MAXMRU 65000 /* Largest MRU we allow */
32 * Bit definitions for flags.
34 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
35 #define SC_COMP_AC 0x00000002 /* header compression (output) */
36 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
37 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
38 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
39 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
40 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
41 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
42 #define SC_DEBUG 0x00010000 /* enable debug messages */
43 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
44 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
45 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */
46 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
47 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
48 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
49 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
50 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
51 #define SC_MASK 0x0fff00ff /* bits that user can change */
54 * State bits in sc_flags, not changeable by user.
56 #define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */
57 #define SC_COMP_RUN 0x00001000 /* compressor has been inited */
58 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
59 #define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */
60 #define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */
61 #define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */
62 #define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */
63 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
64 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
71 int protocol; /* PPP procotol, e.g. PPP_IP */
75 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
76 struct ppp_option_data {
82 struct ifpppstatsreq {
83 char ifr_name[IFNAMSIZ];
84 struct ppp_stats stats;
87 struct ifpppcstatsreq {
88 char ifr_name[IFNAMSIZ];
89 struct ppp_comp_stats stats;
95 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
96 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
97 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
98 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
99 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
100 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
101 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
102 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
103 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
104 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
105 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
106 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
107 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
108 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
109 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
110 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
112 #define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq)
113 #define SIOCGPPPCSTATS _IOWR('i', 124, struct ifpppcstatsreq)
115 #if !defined(ifr_mtu)
116 #define ifr_mtu ifr_ifru.ifru_metric
119 #endif /* _IF_PPP_H_ */