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Annotation of kernel/bsd/netat/h/adsp_frames.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * LAP Frame Information
        !            27:  */
        !            28: 
        !            29: typedef struct {
        !            30:   u_char     lap_dest;
        !            31:   u_char     lap_src;
        !            32:   u_char     lap_type;
        !            33:   u_char     lap_data[1];
        !            34: } LAP_FRAME;
        !            35: 
        !            36: #define LAP_FRAME_LEN     3
        !            37: 
        !            38: #define MAX_FRAME_SIZE    603
        !            39: 
        !            40: #define LAP_DDP           0x01
        !            41: #define LAP_DDPX          0x02
        !            42: 
        !            43: typedef struct {
        !            44:   ua_short   ddp_length;             /* length of ddp fields        */
        !            45:   u_char     ddp_dest;               /* destination socket          */
        !            46:   u_char     ddp_source;             /* source socket               */
        !            47:   u_char     ddp_type;               /* protocol type               */
        !            48:   u_char     ddp_data[1];            /* data field                  */
        !            49: } DDP_FRAME;
        !            50: 
        !            51: #define DDPS_FRAME_LEN     5
        !            52: 
        !            53: typedef struct {
        !            54:   ua_short   ddpx_length;            /* length and hop count        */
        !            55:   ua_short   ddpx_cksm;              /* checksum                    */
        !            56:   at_net     ddpx_dnet;              /* destination network number  */
        !            57:   at_net     ddpx_snet;              /* source network number       */
        !            58:   u_char     ddpx_dnode;             /* destination node            */
        !            59:   u_char     ddpx_snode;             /* source node                 */
        !            60:   u_char     ddpx_dest;              /* destination socket          */
        !            61:   u_char     ddpx_source;            /* source socket               */
        !            62:   u_char     ddpx_type;              /* protocol type               */
        !            63:   u_char     ddpx_data[1];           /* data field                  */
        !            64: } DDPX_FRAME;
        !            65: 
        !            66: #define DDPL_FRAME_LEN     13
        !            67: 
        !            68: #define DDP_RTMP          0x01
        !            69: #define DDP_NBP           0x02
        !            70: #define DDP_ATP           0x03
        !            71: #define DDP_ECHO          0x04
        !            72: #define DDP_RTMP_REQ      0x05
        !            73: #define DDP_ZIP           0x06
        !            74: #define DDP_ADSP          0x07
        !            75: 
        !            76: #define RESPONDER_SOCKET  254
        !            77: 
        !            78: #define ECHO_REQUEST      1
        !            79: #define ECHO_RESPONSE     2
        !            80: 
        !            81: typedef struct {
        !            82:   u_char     nbp_ctrl_cnt;           /* control and tuple count     */
        !            83:   u_char     nbp_id;                 /* enquiry/reply id            */
        !            84:   u_char     nbp_data[1];            /* tuple space                 */
        !            85: } NBP_FRAME;
        !            86: 
        !            87: #define NBP_TYPE_MASK     0xf0     /* mask of ctrl_cnt field      */
        !            88: #define NBP_CNT_MASK      0x0f     /* mask for number of tuples   */
        !            89: #define NBP_BROADCAST     0x10     /* internet lookup             */
        !            90: #define NBP_LOOKUP        0x20     /* lookup request              */
        !            91: #define NBP_REPLY         0x30     /* response to lookup          */
        !            92: 
        !            93: typedef struct {
        !            94:   u_char     atp_control;            /* control field               */
        !            95:   u_char     atp_map;                /* bitmap for acknowlegement   */
        !            96:   ua_short   atp_tid;                /* transaction id              */
        !            97:   union
        !            98:   {
        !            99:       u_char     b[4];               /* user u_chars                  */
        !           100:       ua_long    dw;
        !           101:   } atp_ub;
        !           102:   u_char     atp_data[1];            /* data field                  */
        !           103: } ATP_FRAME;
        !           104: 
        !           105: #define ATP_FRAME_LEN      8
        !           106: 
        !           107: #define ATP_TREQ          0x40     /* transaction request         */
        !           108: #define ATP_TRESP         0x80     /* response packet             */
        !           109: #define ATP_TREL          0xc0     /* transaction release packet  */
        !           110: #define ATP_XO            0x20     /* exactly once flag           */
        !           111: #define ATP_EOM           0x10     /* end of message flag         */
        !           112: #define ATP_STS           0x08     /* send transaction status     */
        !           113: 
        !           114: #define ATP_TYPE(x)       ((x)->atp_control & 0xc0)
        !           115: 
        !           116: typedef struct {
        !           117:   at_net     net1;
        !           118:   u_char     zonename[33];
        !           119: } ZIP_1;
        !           120: 
        !           121: typedef struct {
        !           122:   at_net     net1;
        !           123:   at_net     net2;
        !           124:   u_char     zonename[33];
        !           125: } ZIP_2;
        !           126: 
        !           127: typedef struct {
        !           128:   u_char     zip_command;             /* zip command number          */
        !           129:   u_char     flags;                   /* Bit-mapped                  */
        !           130:   union
        !           131:   {
        !           132:      ZIP_1 o;                       /* Packet has one net number   */
        !           133:      ZIP_2 r;                       /* Packet has cable range      */
        !           134:   } u;
        !           135: } ZIP_FRAME;
        !           136: 
        !           137: /* Flags in the ZIP GetNetInfo & NetInfoReply buffer  */
        !           138: 
        !           139: #define ZIPF_BROADCAST     0x80
        !           140: #define ZIPF_ZONE_INVALID  0x80
        !           141: #define ZIPF_USE_BROADCAST 0x40
        !           142: #define ZIPF_ONE_ZONE      0x20
        !           143: 
        !           144: #define ZIP_QUERY          1        /* ZIP Commands in zip frames  */
        !           145: #define ZIP_REPLY          2
        !           146: #define ZIP_TAKEDOWN       3
        !           147: #define ZIP_BRINGUP        4
        !           148: #define ZIP_GETNETINFO     5
        !           149: #define ZIP_NETINFOREPLY   6
        !           150: #define ZIP_NOTIFY         7
        !           151: 
        !           152: #define ZIP_GETMYZONE      7        /* ZIP commands in atp user u_chars[0]  */
        !           153: #define ZIP_GETZONELIST    8
        !           154: #define ZIP_GETLOCALZONES  9
        !           155: #define ZIP_GETYOURZONE    10       
        !           156: 
        !           157: /*
        !           158:  * Response to Reponder Request type #1.
        !           159:  *
        !           160:  * The first 4 u_chars are actually the 4 ATP user u_chars
        !           161:  * Following this structure are 4 PASCAL strings:
        !           162:  *    System Version String. (max 127)
        !           163:  *    Finder Version String. (max 127)
        !           164:  *    LaserWriter Version String. (max 127)
        !           165:  *    AppleShare Version String. (max 24)
        !           166:  */
        !           167: typedef struct
        !           168: {
        !           169:    u_char  UserU_Chars[2];
        !           170:    ua_short  ResponderVersion;
        !           171:    ua_short  AtalkVersion;
        !           172:    u_char  ROMVersion;
        !           173:    u_char  SystemType;
        !           174:    u_char  SystemClass;
        !           175:    u_char  HdwrConfig;
        !           176:    ua_short  ROM85Version;
        !           177:    u_char  ResponderLevel;
        !           178:    u_char  ResponderLink;
        !           179:    u_char  data[1];
        !           180: } RESPONDER_FRAME;
        !           181: 
        !           182: 
        !           183: /*
        !           184:  * ADSP Frame
        !           185:  */
        !           186: typedef struct {
        !           187:    ua_short CID;
        !           188:    ua_long pktFirstByteSeq;
        !           189:    ua_long pktNextRecvSeq;
        !           190:    ua_short  pktRecvWdw;
        !           191:    u_char descriptor;          /* Bit-Mapped */
        !           192:    u_char data[1];
        !           193: } ADSP_FRAME, *ADSP_FRAMEPtr;
        !           194: 
        !           195: #define ADSP_FRAME_LEN     13
        !           196: 
        !           197: #define ADSP_CONTROL_BIT   0x80
        !           198: #define ADSP_ACK_REQ_BIT   0x40
        !           199: #define ADSP_EOM_BIT       0x20
        !           200: #define ADSP_ATTENTION_BIT 0x10
        !           201: #define ADSP_CONTROL_MASK  0x0F
        !           202: 
        !           203: #define ADSP_CTL_PROBE        0x00 /* Probe or acknowledgement */
        !           204: #define ADSP_CTL_OREQ         0x01 /* Open Connection Request */
        !           205: #define ADSP_CTL_OACK         0x02 /* Open Request acknowledgment */
        !           206: #define ADSP_CTL_OREQACK      0x03 /* Open Request and acknowledgement */
        !           207: #define ADSP_CTL_ODENY        0x04 /* Open Request denial */
        !           208: #define ADSP_CTL_CLOSE        0x05 /* Close connection advice */
        !           209: #define ADSP_CTL_FRESET       0x06 /* Forward Reset */
        !           210: #define ADSP_CTL_FRESET_ACK   0x07 /* Forward Reset Acknowledgement */
        !           211: #define ADSP_CTL_RETRANSMIT   0x08 /* Retransmit advice        */
        !           212: 
        !           213: typedef struct {
        !           214:    ua_short  version;          /* Must be in network byte order */
        !           215:    ua_short  dstCID;           /* */
        !           216:    ua_long pktAttnRecvSeq;             /* Must be in network byte order */
        !           217: } ADSP_OPEN_DATA, *ADSP_OPEN_DATAPtr;
        !           218: 
        !           219: #define ADSP_OPEN_FRAME_LEN   8
        !           220: 
        !           221: #define ADSP_MAX_DATA_LEN              572
        !           222: 
        !           223: /* END FRAMES.H  */

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