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/* $OpenBSD: if_ppp.h,v 1.10 2022/01/02 22:36:03 jsg Exp $ */
/* $NetBSD: if_ppp.h,v 1.11 1996/03/15 02:28:05 paulus Exp $ */
/*
* if_ppp.h - Point-to-Point Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET_IF_PPP_H_
#define _NET_IF_PPP_H_
/*
* Packet sizes
*/
#define PPP_MTU 1500 /* Default MTU (size of Info field) */
#define PPP_MAXMRU 65000 /* Largest MRU 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 inited */
#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
#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 protocol, 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 */
/*
* 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)
#ifdef _KERNEL
void pppattach(void);
int pppoutput(struct ifnet *, struct mbuf *, struct sockaddr *,
struct rtentry *);
void pppintr(void);
#endif
#endif /* _NET_IF_PPP_H_ */
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