1/* $Id: if_ppp.h,v 1.1.1.1 2007/08/03 18:53:41 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 20050812== 25 * 26 * NOTE TO MAINTAINERS: 27 * If you modify this file at all, please set the above date. 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#include <linux/compiler.h> 39 40/* 41 * Packet sizes 42 */ 43 44#define PPP_MTU 1500 /* Default MTU (size of Info field) */ 45#define PPP_MAXMRU 65000 /* Largest MRU we allow */ 46#define PROTO_IPX 0x002b /* protocol numbers */ 47#define PROTO_DNA_RT 0x0027 /* DNA Routing */ 48 49 50/* 51 * Bit definitions for flags. 52 */ 53 54#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ 55#define SC_COMP_AC 0x00000002 /* header compression (output) */ 56#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ 57#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ 58#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ 59#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ 60#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ 61#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ 62#define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ 63#define SC_LOOP_TRAFFIC 0x00000200 /* send traffic to pppd */ 64#define SC_MULTILINK 0x00000400 /* do multilink encapsulation */ 65#define SC_MP_SHORTSEQ 0x00000800 /* use short MP sequence numbers */ 66#define SC_COMP_RUN 0x00001000 /* compressor has been inited */ 67#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ 68#define SC_MP_XSHORTSEQ 0x00004000 /* transmit short MP seq numbers */ 69#define SC_DEBUG 0x00010000 /* enable debug messages */ 70#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ 71#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ 72#define SC_LOG_RAWIN 0x00080000 /* log all chars received */ 73#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ 74#define SC_SYNC 0x00200000 /* synchronous serial mode */ 75#define SC_MUST_COMP 0x00400000 /* no uncompressed packets may be sent or received */ 76#define SC_MASK 0x0f600fff /* bits that user can change */ 77 78/* state bits */ 79#define SC_XMIT_BUSY 0x10000000 /* (used by isdn_ppp?) */ 80#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ 81#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ 82#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ 83#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ 84#define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ 85#define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ 86 87/* 88 * Ioctl definitions. 89 */ 90 91struct npioctl { 92 int protocol; /* PPP protocol, e.g. PPP_IP */ 93 enum NPmode mode; 94}; 95 96/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ 97struct ppp_option_data { 98 __u8 __user *ptr; 99 __u32 length; 100 int transmit; 101}; 102 103struct ifpppstatsreq { 104 struct ifreq b; 105 struct ppp_stats stats; /* statistic information */ 106}; 107 108struct ifpppcstatsreq { 109 struct ifreq b; 110 struct ppp_comp_stats stats; 111}; 112 113/* For PPPIOCGL2TPSTATS */ 114struct pppol2tp_ioc_stats { 115 __u16 tunnel_id; /* redundant */ 116 __u16 session_id; /* if zero, get tunnel stats */ 117 __u32 using_ipsec:1; /* valid only for session_id == 0 */ 118 __u64 tx_packets; 119 __u64 tx_bytes; 120 __u64 tx_errors; 121 __u64 rx_packets; 122 __u64 rx_bytes; 123 __u64 rx_seq_discards; 124 __u64 rx_oos_packets; 125 __u64 rx_errors; 126}; 127 128#define ifr__name b.ifr_ifrn.ifrn_name 129#define stats_ptr b.ifr_ifru.ifru_data 130 131/* 132 * Ioctl definitions. 133 */ 134 135#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 136#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 137#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ 138#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ 139#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ 140#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ 141#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ 142#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ 143#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ 144#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ 145#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ 146#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ 147#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ 148#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) 149#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ 150#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ 151#define PPPIOCSPASS _IOW('t', 71, struct sock_fprog) /* set pass filter */ 152#define PPPIOCSACTIVE _IOW('t', 70, struct sock_fprog) /* set active filt */ 153#define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ 154#define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ 155#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ 156#define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */ 157#define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */ 158#define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */ 159#define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */ 160#define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */ 161#define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */ 162#define PPPIOCATTCHAN _IOW('t', 56, int) /* attach to ppp channel */ 163#define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */ 164#define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats) 165 166#define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) 167#define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ 168#define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) 169 170#if !defined(ifr_mtu) 171#define ifr_mtu ifr_ifru.ifru_metric 172#endif 173 174#endif /* _IF_PPP_H_ */ 175