The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netncp/ncp_ncp.h

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    1 /*-
    2  * Copyright (c) 1999, Boris Popov
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *    This product includes software developed by Boris Popov.
   16  * 4. Neither the name of the author nor the names of any co-contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/6.0/sys/netncp/ncp_ncp.h 139823 2005-01-07 01:45:51Z imp $
   33  */
   34 #ifndef _NETNCP_NCP_NCP_H_
   35 #define _NETNCP_NCP_NCP_H_
   36 
   37 #define NCP_ALLOC_SLOT          0x1111
   38 #define NCP_REQUEST             0x2222
   39 #define NCP_REPLY               0x3333
   40 #define NCP_FREE_SLOT           0x5555
   41 #define NCP_PACKET_BURST        0x7777
   42 #define NCP_POSITIVE_ACK        0x9999
   43 
   44 /*
   45  * Bits for connection state field in ncp_rphdr
   46  */
   47 #define NCP_CS_BAD_CONN         0x01    /* no such connection */
   48 #define NCP_CS_NO_SLOTS         0x04    /* no connection slots available */
   49 #define NCP_CS_SERVER_DOWN      0x10    /* server in down state */
   50 #define NCP_CS_HAVE_BROADCAST   0x40    /* server holds broadcast for us */
   51 
   52 #define NCP_RETRY_COUNT         5
   53 #define NCP_RETRY_TIMEOUT       10
   54 #define NCP_RESTORE_COUNT       2       /* how many times try to restore per 
   55                                          * single request, should be an _even_ */
   56 
   57 struct ncp_rqhdr {
   58         u_int16_t type;
   59         u_int8_t  seq;
   60         u_int8_t  conn_low;
   61         u_int8_t  task;
   62         u_int8_t  conn_high;
   63         u_int8_t  fn;
   64         u_int8_t  data[0];
   65 } __packed;
   66 
   67 
   68 struct ncp_rphdr {
   69         u_int16_t       type;
   70         u_int8_t        seq;
   71         u_int8_t        conn_low;
   72         u_int8_t        task;
   73         u_int8_t        conn_high;
   74         u_int8_t        completion_code;
   75         u_int8_t        connection_state;
   76         u_int8_t        data[0];
   77 }__packed;
   78 
   79 #define BFL_ABT         0x04
   80 #define BFL_EOB         0x10
   81 #define BFL_SYS         0x80
   82 
   83 #define BOP_READ        1L
   84 #define BOP_WRITE       2L
   85 
   86 #define BERR_NONE       0
   87 #define BERR_INIT       1
   88 #define BERR_IO         2
   89 #define BERR_NODATA     3
   90 #define BERR_WRITE      4
   91 
   92 struct ncp_bursthdr {
   93         u_short bh_type;
   94         u_char  bh_flags;
   95         u_char  bh_streamtype;
   96         u_long  bh_srcid;
   97         u_long  bh_dstid;
   98         u_long  bh_seq;                 /* HL */
   99         u_long  bh_send_delay;          /* HL */
  100         u_short bh_bseq;                /* HL */
  101         u_short bh_aseq;                /* HL */
  102         u_long  bh_blen;                /* HL */
  103         u_long  bh_dofs;                /* HL */
  104         u_short bh_dlen;                /* HL */
  105         u_short bh_misfrags;            /* HL */
  106 } __packed;
  107 
  108 struct ncp_conn;
  109 struct ncp_conn_args;
  110 struct ncp_rq;
  111 struct ucred;
  112 
  113 int  ncp_ncp_connect(struct ncp_conn *conn);
  114 int  ncp_ncp_disconnect(struct ncp_conn *conn);
  115 int  ncp_negotiate_buffersize(struct ncp_conn *conn, int size, int *target);
  116 int  ncp_renegotiate_connparam(struct ncp_conn *conn, int buffsize,
  117         u_int8_t in_options);
  118 int  ncp_get_bindery_object_id(struct ncp_conn *conn, 
  119                 u_int16_t object_type, char *object_name, 
  120                 struct ncp_bindery_object *target,
  121                 struct thread *td,struct ucred *cred);
  122 int  ncp_get_encryption_key(struct ncp_conn *conn, char *target);
  123 int  ncp_login_encrypted(struct ncp_conn *conn,
  124         struct ncp_bindery_object *object,
  125         const u_char *key, const u_char *passwd,
  126         struct thread *td, struct ucred *cred);
  127 int ncp_login_unencrypted(struct ncp_conn *conn, u_int16_t object_type, 
  128         const char *object_name, const u_char *passwd,
  129         struct thread *td, struct ucred *cred);
  130 int  ncp_read(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);
  131 int  ncp_write(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);
  132 
  133 #endif /* _NCP_NCP_H_ */

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