Home | History | Annotate | Line # | Download | only in net
if_ppp.h revision 1.11
      1 /*	$NetBSD: if_ppp.h,v 1.11 1996/03/15 02:28:05 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 #ifndef _IF_PPP_H_
     23 #define _IF_PPP_H_
     24 
     25 /*
     26  * Packet sizes
     27  */
     28 #define	PPP_MTU		1500	/* Default MTU (size of Info field) */
     29 #define PPP_MAXMRU	65000	/* Largest MRU we allow */
     30 
     31 /*
     32  * Bit definitions for flags.
     33  */
     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 */
     52 
     53 /*
     54  * State bits in sc_flags, not changeable by user.
     55  */
     56 #define SC_TIMEOUT	0x00000400	/* timeout is currently pending */
     57 #define SC_VJ_RESET	0x00000800	/* need to reset VJ decomp */
     58 #define SC_COMP_RUN	0x00001000	/* compressor has been inited */
     59 #define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
     60 #define SC_DC_ERROR	0x00004000	/* non-fatal decomp error detected */
     61 #define SC_DC_FERROR	0x00008000	/* fatal decomp error detected */
     62 #define SC_TBUSY	0x10000000	/* xmitter doesn't need a packet yet */
     63 #define SC_PKTLOST	0x20000000	/* have lost or dropped a packet */
     64 #define	SC_FLUSH	0x40000000	/* flush input until next PPP_FLAG */
     65 #define	SC_ESCAPED	0x80000000	/* saw a PPP_ESCAPE */
     66 
     67 /*
     68  * Ioctl definitions.
     69  */
     70 
     71 struct npioctl {
     72     int		protocol;	/* PPP procotol, e.g. PPP_IP */
     73     enum NPmode	mode;
     74 };
     75 
     76 /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
     77 struct ppp_option_data {
     78 	u_char	*ptr;
     79 	u_int	length;
     80 	int	transmit;
     81 };
     82 
     83 struct ifpppstatsreq {
     84     char ifr_name[IFNAMSIZ];
     85     struct ppp_stats stats;
     86 };
     87 
     88 struct ifpppcstatsreq {
     89     char ifr_name[IFNAMSIZ];
     90     struct ppp_comp_stats stats;
     91 };
     92 
     93 /*
     94  * Ioctl definitions.
     95  */
     96 
     97 #define	PPPIOCGFLAGS	_IOR('t', 90, int)	/* get configuration flags */
     98 #define	PPPIOCSFLAGS	_IOW('t', 89, int)	/* set configuration flags */
     99 #define	PPPIOCGASYNCMAP	_IOR('t', 88, int)	/* get async map */
    100 #define	PPPIOCSASYNCMAP	_IOW('t', 87, int)	/* set async map */
    101 #define	PPPIOCGUNIT	_IOR('t', 86, int)	/* get ppp unit number */
    102 #define	PPPIOCGRASYNCMAP _IOR('t', 85, int)	/* get receive async map */
    103 #define	PPPIOCSRASYNCMAP _IOW('t', 84, int)	/* set receive async map */
    104 #define	PPPIOCGMRU	_IOR('t', 83, int)	/* get max receive unit */
    105 #define	PPPIOCSMRU	_IOW('t', 82, int)	/* set max receive unit */
    106 #define	PPPIOCSMAXCID	_IOW('t', 81, int)	/* set VJ max slot ID */
    107 #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
    108 #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
    109 #define PPPIOCXFERUNIT	_IO('t', 78)		/* transfer PPP unit */
    110 #define PPPIOCSCOMPRESS	_IOW('t', 77, struct ppp_option_data)
    111 #define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
    112 #define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
    113 #define PPPIOCGIDLE	_IOR('t', 74, struct ppp_idle) /* get idle time */
    114 #define PPPIOCSPASS	_IOW('t', 71, struct bpf_program) /* set pass filter */
    115 #define PPPIOCSACTIVE	_IOW('t', 70, struct bpf_program) /* set active filt */
    116 
    117 /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
    118 #define PPPIOCGMTU	_IOR('t', 73, int)	/* get interface MTU */
    119 #define PPPIOCSMTU	_IOW('t', 72, int)	/* set interface MTU */
    120 
    121 /*
    122  * These two are interface ioctls so that pppstats can do them on
    123  * a socket without having to open the serial device.
    124  */
    125 #define SIOCGPPPSTATS	_IOWR('i', 123, struct ifpppstatsreq)
    126 #define SIOCGPPPCSTATS	_IOWR('i', 122, struct ifpppcstatsreq)
    127 
    128 #if !defined(ifr_mtu)
    129 #define ifr_mtu	ifr_ifru.ifru_metric
    130 #endif
    131 
    132 #ifdef _KERNEL
    133 void pppattach __P((void));
    134 int pppsioctl __P((struct ifnet *, u_long, caddr_t));
    135 int pppoutput __P((struct ifnet *, struct mbuf *, struct sockaddr *,
    136 		   struct rtentry *));
    137 void pppintr __P((void));
    138 #endif
    139 #endif /* _IF_PPP_H_ */
    140