/* * if_ppp.h - Point-to-Point Protocol definitions. * * Copyright (c) 1989 Carnegie Mellon University. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Carnegie Mellon University. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * $FreeBSD$ */ #ifndef _IF_PPP_H_ #define _IF_PPP_H_ /* XXX this used to be self-contained. */ #include <net/ppp_defs.h> #include <net/if.h> /* * Packet sizes */ #define PPP_MTU 1500 /* Default MTU (size of Info field) */ #define PPP_MAXMRU 65000 /* Largest MRU we allow */ #define PPP_MAXMTU 16384 /* Largest MTU we allow */ /* * Bit definitions for flags. */ #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ #define SC_COMP_AC 0x00000002 /* header compression (output) */ #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ #define SC_DEBUG 0x00010000 /* enable debug messages */ #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ #define SC_MASK 0x0fff00ff /* bits that user can change */ /* * State bits in sc_flags, not changeable by user. */ #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */ #define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */ #define SC_COMP_RUN 0x00001000 /* compressor has been initiated */ #define SC_DECOMP_RUN 0x00002000 /* decompressor has been initiated */ #define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */ #define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */ #define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */ #define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */ #define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ #define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ /* * Ioctl definitions. */ struct npioctl { int protocol; /* PPP procotol, e.g. PPP_IP */ enum NPmode mode; }; /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ struct ppp_option_data { u_char *ptr; u_int length; int transmit; }; struct ifpppstatsreq { char ifr_name[IFNAMSIZ]; struct ppp_stats stats; }; struct ifpppcstatsreq { char ifr_name[IFNAMSIZ]; struct ppp_comp_stats stats; }; /* * Ioctl definitions. */ #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ #define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */ #define PPPIOCSPASS _IOW('t', 71, struct bpf_program) /* set pass filter */ #define PPPIOCSACTIVE _IOW('t', 70, struct bpf_program) /* set active filt */ /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */ #define PPPIOCGMTU _IOR('t', 73, int) /* get interface MTU */ #define PPPIOCSMTU _IOW('t', 72, int) /* set interface MTU */ /* * These two are interface ioctls so that pppstats can do them on * a socket without having to open the serial device. */ #define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq) #define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq) #if !defined(ifr_mtu) #define ifr_mtu ifr_ifru.ifru_metric #endif #endif /* _IF_PPP_H_ */