1 /* $Id: 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 * All rights reserved. 8 * 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. 20 * 21 */ 22 23 /* 24 * ==FILEVERSION 3== 25 * 26 * NOTE TO MAINTAINERS: 27 * If you modify this file at all, increment the number above. 28 * if_ppp.h is shipped with a PPP distribution as well as with the kernel; 29 * if everyone increases the FILEVERSION number above, then scripts 30 * can do the right thing when deciding whether to install a new if_ppp.h 31 * file. Don't change the format of that line otherwise, so the 32 * installation script can recognize it. 33 */ 34 35 #ifndef _IF_PPP_H_ 36 #define _IF_PPP_H_ 37 38 /* 39 * Packet sizes 40 */ 41 42 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 43 #define PPP_MAXMRU 65000 /* Largest MRU we allow */ 44 #define PPP_VERSION "2.2.0" 45 #define PPP_MAGIC 0x5002 /* Magic value for the ppp structure */ 46 #define PROTO_IPX 0x002b /* protocol numbers */ 47 48 /* 49 * Bit definitions for flags. 50 */ 51 52 #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 53 #define SC_COMP_AC 0x00000002 /* header compression (output) */ 54 #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 55 #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 56 #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 57 #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 58 #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 59 #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 60 #define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ 61 #define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 62 #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 63 #define SC_DEBUG 0x00010000 /* enable debug messages */ 64 #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 65 #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 66 #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 67 #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 68 #define SC_MASK 0x0fE0ffff /* bits that user can change */ 69 70 /* state bits */ 71 #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ 72 #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ 73 #define SC_VJ_RESET 0x20000000 /* Need to reset the VJ decompressor */ 74 #define SC_XMIT_BUSY 0x10000000 /* ppp_write_wakeup is active */ 75 #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 76 #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 77 #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 78 #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 79 #define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 80 #define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 81 82 /* 83 * Ioctl definitions. 84 */ 85 86 struct npioctl { 87 int protocol; /* PPP procotol, e.g. PPP_IP */ 88 enum NPmode mode; 89 }; 90 91 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 92 struct ppp_option_data { 93 u_char *ptr; 94 u_int length; 95 int transmit; 96 }; 97 98 struct ifpppstatsreq { 99 struct ifreq b; 100 struct ppp_stats stats; /* statistic information */ 101 }; 102 103 struct ifpppcstatsreq { 104 struct ifreq b; 105 struct ppp_comp_stats stats; 106 }; 107 108 #define ifr__name b.ifr_ifrn.ifrn_name 109 #define stats_ptr b.ifr_ifru.ifru_data 110 111 /* 112 * Ioctl definitions. 113 */ 114 115 #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 116 #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 117 #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 118 #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 119 #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 120 #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 121 #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 122 #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 123 #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 124 #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 125 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 126 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 127 #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 128 #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 129 #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 130 #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 131 #define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 132 #define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 133 #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 134 135 #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 136 #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 137 #define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 138 139 #if !defined(ifr_mtu) 140 #define ifr_mtu ifr_ifru.ifru_metric 141 #endif 142 143 #endif /* _IF_PPP_H_ */