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Annotation of XNU/bsd/net/if_ppp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * if_ppp.h - Point-to-Point Protocol definitions.
        !            24:  *
        !            25:  * Copyright (c) 1989 Carnegie Mellon University.
        !            26:  * All rights reserved.
        !            27:  *
        !            28:  * Redistribution and use in source and binary forms are permitted
        !            29:  * provided that the above copyright notice and this paragraph are
        !            30:  * duplicated in all such forms and that any documentation,
        !            31:  * advertising materials, and other materials related to such
        !            32:  * distribution and use acknowledge that the software was developed
        !            33:  * by Carnegie Mellon University.  The name of the
        !            34:  * University may not be used to endorse or promote products derived
        !            35:  * from this software without specific prior written permission.
        !            36:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            37:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            38:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            39:  *
        !            40:  */
        !            41: 
        !            42: #ifndef _IF_PPP_H_
        !            43: #define _IF_PPP_H_
        !            44: 
        !            45: /* XXX this used to be self-contained. */
        !            46: #include <net/ppp_defs.h>
        !            47: #include <net/if.h>
        !            48: 
        !            49: /*
        !            50:  * Packet sizes
        !            51:  */
        !            52: #define        PPP_MTU         1500    /* Default MTU (size of Info field) */
        !            53: #define PPP_MAXMRU     65000   /* Largest MRU we allow */
        !            54: #define PPP_MAXMTU     16384   /* Largest MTU we allow */
        !            55: 
        !            56: /*
        !            57:  * Bit definitions for flags.
        !            58:  */
        !            59: #define SC_COMP_PROT   0x00000001      /* protocol compression (output) */
        !            60: #define SC_COMP_AC     0x00000002      /* header compression (output) */
        !            61: #define        SC_COMP_TCP     0x00000004      /* TCP (VJ) compression (output) */
        !            62: #define SC_NO_TCP_CCID 0x00000008      /* disable VJ connection-id comp. */
        !            63: #define SC_REJ_COMP_AC 0x00000010      /* reject adrs/ctrl comp. on input */
        !            64: #define SC_REJ_COMP_TCP        0x00000020      /* reject TCP (VJ) comp. on input */
        !            65: #define SC_CCP_OPEN    0x00000040      /* Look at CCP packets */
        !            66: #define SC_CCP_UP      0x00000080      /* May send/recv compressed packets */
        !            67: #define SC_DEBUG       0x00010000      /* enable debug messages */
        !            68: #define SC_LOG_INPKT   0x00020000      /* log contents of good pkts recvd */
        !            69: #define SC_LOG_OUTPKT  0x00040000      /* log contents of pkts sent */
        !            70: #define SC_LOG_RAWIN   0x00080000      /* log all chars received */
        !            71: #define SC_LOG_FLUSH   0x00100000      /* log all chars flushed */
        !            72: #define SC_RCV_B7_0    0x01000000      /* have rcvd char with bit 7 = 0 */
        !            73: #define SC_RCV_B7_1    0x02000000      /* have rcvd char with bit 7 = 1 */
        !            74: #define SC_RCV_EVNP    0x04000000      /* have rcvd char with even parity */
        !            75: #define SC_RCV_ODDP    0x08000000      /* have rcvd char with odd parity */
        !            76: #define        SC_MASK         0x0fff00ff      /* bits that user can change */
        !            77: 
        !            78: /*
        !            79:  * State bits in sc_flags, not changeable by user.
        !            80:  */
        !            81: #define SC_TIMEOUT     0x00000400      /* timeout is currently pending */
        !            82: #define SC_VJ_RESET    0x00000800      /* need to reset VJ decomp */
        !            83: #define SC_COMP_RUN    0x00001000      /* compressor has been initiated */
        !            84: #define SC_DECOMP_RUN  0x00002000      /* decompressor has been initiated */
        !            85: #define SC_DC_ERROR    0x00004000      /* non-fatal decomp error detected */
        !            86: #define SC_DC_FERROR   0x00008000      /* fatal decomp error detected */
        !            87: #define SC_TBUSY       0x10000000      /* xmitter doesn't need a packet yet */
        !            88: #define SC_PKTLOST     0x20000000      /* have lost or dropped a packet */
        !            89: #define        SC_FLUSH        0x40000000      /* flush input until next PPP_FLAG */
        !            90: #define        SC_ESCAPED      0x80000000      /* saw a PPP_ESCAPE */
        !            91: 
        !            92: /*
        !            93:  * Ioctl definitions.
        !            94:  */
        !            95: 
        !            96: struct npioctl {
        !            97:     int                protocol;       /* PPP procotol, e.g. PPP_IP */
        !            98:     enum NPmode        mode;
        !            99: };
        !           100: 
        !           101: /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
        !           102: struct ppp_option_data {
        !           103:        u_char  *ptr;
        !           104:        u_int   length;
        !           105:        int     transmit;
        !           106: };
        !           107: 
        !           108: struct ifpppstatsreq {
        !           109:     char ifr_name[IFNAMSIZ];
        !           110:     struct ppp_stats stats;
        !           111: };
        !           112: 
        !           113: struct ifpppcstatsreq {
        !           114:     char ifr_name[IFNAMSIZ];
        !           115:     struct ppp_comp_stats stats;
        !           116: };
        !           117: 
        !           118: /*
        !           119:  * Ioctl definitions.
        !           120:  */
        !           121: 
        !           122: #define        PPPIOCGFLAGS    _IOR('t', 90, int)      /* get configuration flags */
        !           123: #define        PPPIOCSFLAGS    _IOW('t', 89, int)      /* set configuration flags */
        !           124: #define        PPPIOCGASYNCMAP _IOR('t', 88, int)      /* get async map */
        !           125: #define        PPPIOCSASYNCMAP _IOW('t', 87, int)      /* set async map */
        !           126: #define        PPPIOCGUNIT     _IOR('t', 86, int)      /* get ppp unit number */
        !           127: #define        PPPIOCGRASYNCMAP _IOR('t', 85, int)     /* get receive async map */
        !           128: #define        PPPIOCSRASYNCMAP _IOW('t', 84, int)     /* set receive async map */
        !           129: #define        PPPIOCGMRU      _IOR('t', 83, int)      /* get max receive unit */
        !           130: #define        PPPIOCSMRU      _IOW('t', 82, int)      /* set max receive unit */
        !           131: #define        PPPIOCSMAXCID   _IOW('t', 81, int)      /* set VJ max slot ID */
        !           132: #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
        !           133: #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
        !           134: #define PPPIOCXFERUNIT _IO('t', 78)            /* transfer PPP unit */
        !           135: #define PPPIOCSCOMPRESS        _IOW('t', 77, struct ppp_option_data)
        !           136: #define PPPIOCGNPMODE  _IOWR('t', 76, struct npioctl) /* get NP mode */
        !           137: #define PPPIOCSNPMODE  _IOW('t', 75, struct npioctl)  /* set NP mode */
        !           138: #define PPPIOCGIDLE    _IOR('t', 74, struct ppp_idle) /* get idle time */
        !           139: #define PPPIOCSPASS    _IOW('t', 71, struct bpf_program) /* set pass filter */
        !           140: #define PPPIOCSACTIVE  _IOW('t', 70, struct bpf_program) /* set active filt */
        !           141: 
        !           142: /* PPPIOC[GS]MTU are alternatives to SIOC[GS]IFMTU, used under Ultrix */
        !           143: #define PPPIOCGMTU     _IOR('t', 73, int)      /* get interface MTU */
        !           144: #define PPPIOCSMTU     _IOW('t', 72, int)      /* set interface MTU */
        !           145: 
        !           146: /*
        !           147:  * These two are interface ioctls so that pppstats can do them on
        !           148:  * a socket without having to open the serial device.
        !           149:  */
        !           150: #define SIOCGPPPSTATS  _IOWR('i', 123, struct ifpppstatsreq)
        !           151: #define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq)
        !           152: 
        !           153: #if !defined(ifr_mtu)
        !           154: #define ifr_mtu        ifr_ifru.ifru_metric
        !           155: #endif
        !           156: 
        !           157: #endif /* _IF_PPP_H_ */

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