if_ppp.h   [plain text]


/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef _IF_PPP_H_
#define _IF_PPP_H_

#include <net/if.h>

/*
 * Packet sizes
 */

#define	PPP_MTU		1500	/* Default MTU (size of Info field) */
#define PPP_MRU		1500	/* default MRU = max length of info field */
#define PPP_MAXMRU	65000	/* Largest MRU we allow */
#define PROTO_IPX	0x002b	/* protocol numbers */
#define PROTO_DNA_RT    0x0027  /* DNA Routing */


/*
 * Bit definitions for flags.
 */

/* Link flags */
#define SC_COMP_PROT	0x00000001	/* protocol compression (output) */
#define SC_COMP_AC	0x00000002	/* header compression (output) */
#define SC_REJ_COMP_AC	0x00000010	/* reject adrs/ctrl comp. on input */
#define SC_HOLD		0x00000020	/* temporarily stop link */

/* Interface flags */
#define	SC_COMP_TCP	0x00000004	/* TCP (VJ) compression (output) */
#define SC_NO_TCP_CCID	0x00000008	/* disable VJ connection-id comp. */
#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_ENABLE_IP	0x00000100	/* IP packets may be exchanged */
#define SC_LOOP_TRAFFIC	0x00000200	/* send traffic to pppd */
#define SC_MULTILINK	0x00000400	/* do multilink encapsulation */
#define SC_MP_SHORTSEQ	0x00000800	/* use short MP sequence numbers */
#define SC_COMP_RUN	0x00001000	/* compressor has been inited */
#define SC_DECOMP_RUN	0x00002000	/* decompressor has been inited */
#define SC_MP_XSHORTSEQ	0x00004000	/* transmit short MP seq numbers */
#define SC_DEBUG	0x00010000	/* enable debug messages */
#define SC_LOOP_LOCAL	0x01000000      /* loopback packet to local address */
#define	SC_SYNC		0x00200000	/* synchronous serial mode */
#define SC_LOG_RAWIN	0x00080000	/* log all chars received */
#define SC_LOG_FLUSH	0x00100000	/* log all chars flushed */

/* unused flags */
#if 0
#define SC_LOG_INPKT	0x00020000	/* log contents of good pkts recvd */
#define SC_LOG_OUTPKT	0x00040000	/* log contents of pkts sent */
#endif

#define	SC_MASK		0x0f200fff	/* bits that user can change */

/* state bits */
#define SC_XMIT_BUSY	0x10000000	/* link is busy transmitting, don't attempt to send */
#define SC_XMIT_FULL	0x20000000	/* link is full transmitting, don't attempt to send */
#define SC_RCV_ODDP	0x08000000	/* have rcvd char with odd parity */
#define SC_RCV_EVNP	0x04000000	/* have rcvd char with even parity */
#define SC_RCV_B7_1	0x02000000	/* have rcvd char with bit 7 = 1 */
#define SC_RCV_B7_0	0x01000000	/* have rcvd char with bit 7 = 0 */
#define SC_DC_FERROR	0x00800000	/* fatal decomp error detected */
#define SC_DC_ERROR	0x00400000	/* non-fatal decomp error detected */


#if __DARWIN_ALIGN_POWER
#pragma options align=power
#endif

/*
 * Ioctl definitions.
 */

struct npioctl {
	int		protocol;	/* PPP protocol, e.g. PPP_IP */
	enum NPmode	mode;
};

struct npafioctl {
	int		protocol;	/* PPP protocol, e.g. PPP_IP */
	enum NPAFmode	mode;
};

/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
struct ppp_option_data {
	void *		ptr;
	u_int32_t	length;
	int		transmit;
};

#ifdef KERNEL_PRIVATE
struct ppp_option_data64 {
	u_int64_t		ptr;
	u_int32_t	length;
	int		transmit;
};

struct ppp_option_data32 {
	u_int32_t		ptr;
	u_int32_t	length;
	int		transmit;
};
#endif /* KERNEL_PRIVATE */

struct ifpppstatsreq {
    char ifr_name[IFNAMSIZ];
    struct ppp_stats stats;			/* statistic information */
};

struct ifpppcstatsreq {
    char ifr_name[IFNAMSIZ];
    struct ppp_comp_stats stats;
};

#if __DARWIN_ALIGN_POWER
#pragma options align=reset
#endif

/*
 * 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)
#ifdef KERNEL_PRIVATE
#ifdef __LP64__
#define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)
#define PPPIOCSCOMPRESS64	PPPIOCSCOMPRESS
#else
#define PPPIOCSCOMPRESS32	PPPIOCSCOMPRESS
#define PPPIOCSCOMPRESS64	_IOW('t', 77, struct ppp_option_data64)
#endif /* __LP64__ */
#endif /* KERNEL_PRIVATE */
#define PPPIOCGNPMODE	_IOWR('t', 76, struct npioctl) /* get NP mode */
#define PPPIOCSNPMODE	_IOW('t', 75, struct npioctl)  /* set NP mode */
#define PPPIOCSPASS	_IOW('t', 71, struct sock_fprog) /* set pass filter */
#define PPPIOCSACTIVE	_IOW('t', 70, struct sock_fprog) /* set active filt */
#define PPPIOCGDEBUG	_IOR('t', 65, int)	/* Read debug level */
#define PPPIOCSDEBUG	_IOW('t', 64, int)	/* Set debug level */
#define PPPIOCGIDLE	_IOR('t', 63, struct ppp_idle) /* get idle time */
#define PPPIOCNEWUNIT	_IOWR('t', 62, int)	/* create new ppp unit */
#define PPPIOCATTACH	_IOW('t', 61, int)	/* attach to ppp unit */
#define PPPIOCDETACH	_IOW('t', 60, int)	/* detach from ppp unit/chan */
#define PPPIOCSMRRU	_IOW('t', 59, int)	/* set multilink MRU */
#define PPPIOCCONNECT	_IOW('t', 58, int)	/* connect channel to unit */
#define PPPIOCDISCONN	_IO('t', 57)		/* disconnect channel */
#define PPPIOCATTCHAN	_IOW('t', 56, int)	/* attach to ppp channel */
#define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
#define PPPIOCGNPAFMODE	_IOWR('t', 54, struct npafioctl) /* get NPAF mode */
#define PPPIOCSNPAFMODE	_IOW('t', 53, struct npafioctl)  /* set NPAF mode */

/*
 * 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_ */