sys/netproto/ncp/ncp_ncp.h

   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: src/sys/netncp/ncp_ncp.h,v 1.3 2000/01/14 19:54:38 bde Exp $
  33  * $DragonFly: src/sys/netproto/ncp/ncp_ncp.h,v 1.4 2005/02/28 16:23:00 joerg Exp $
  34  */
  35 #ifndef _NETNCP_NCP_NCP_H_
  36 #define _NETNCP_NCP_NCP_H_
  37
  38 #define NCP_ALLOC_SLOT          0x1111
  39 #define NCP_REQUEST             0x2222
  40 #define NCP_REPLY               0x3333
  41 #define NCP_FREE_SLOT           0x5555
  42 #define NCP_PACKET_BURST        0x7777
  43 #define NCP_POSITIVE_ACK        0x9999
  44
  45 /*
  46  * Bits for connection state field in ncp_rphdr
  47  */
  48 #define NCP_CS_BAD_CONN         0x01    /* no such connection */
  49 #define NCP_CS_NO_SLOTS         0x04    /* no connection slots available */
  50 #define NCP_CS_SERVER_DOWN      0x10    /* server in down state */
  51 #define NCP_CS_HAVE_BROADCAST   0x40    /* server holds broadcast for us */
  52
  53 #define NCP_RETRY_COUNT         5
  54 #define NCP_RETRY_TIMEOUT       10
  55 #define NCP_RESTORE_COUNT       2       /* how many times try to restore per
  56                                          * single request, should be an _even_ */
  57
  58 struct ncp_rqhdr {
  59         u_int16_t type;
  60         u_int8_t  seq;
  61         u_int8_t  conn_low;
  62         u_int8_t  task;
  63         u_int8_t  conn_high;
  64         u_int8_t  fn;
  65         u_int8_t  data[0];
  66 } __attribute__((packed));
  67
  68
  69 struct ncp_rphdr {
  70         u_int16_t       type;
  71         u_int8_t        seq;
  72         u_int8_t        conn_low;
  73         u_int8_t        task;
  74         u_int8_t        conn_high;
  75         u_int8_t        completion_code;
  76         u_int8_t        connection_state;
  77         u_int8_t        data[0];
  78 }__attribute__((packed));
  79
  80 #define BFL_ABT         0x04
  81 #define BFL_EOB         0x10
  82 #define BFL_SYS         0x80
  83
  84 #define BOP_READ        1L
  85 #define BOP_WRITE       2L
  86
  87 #define BERR_NONE       0
  88 #define BERR_INIT       1
  89 #define BERR_IO         2
  90 #define BERR_NODATA     3
  91 #define BERR_WRITE      4
  92
  93 struct ncp_bursthdr {
  94         u_short bh_type;
  95         u_char  bh_flags;
  96         u_char  bh_streamtype;
  97         u_long  bh_srcid;
  98         u_long  bh_dstid;
  99         u_long  bh_seq;                 /* HL */
 100         u_long  bh_send_delay;          /* HL */
 101         u_short bh_bseq;                /* HL */
 102         u_short bh_aseq;                /* HL */
 103         u_long  bh_blen;                /* HL */
 104         u_long  bh_dofs;                /* HL */
 105         u_short bh_dlen;                /* HL */
 106         u_short bh_misfrags;            /* HL */
 107 } __attribute__((packed));
 108
 109 struct ncp_conn;
 110 struct ncp_conn_args;
 111 struct ncp_rq;
 112 struct proc;
 113 struct thread;
 114 struct ucred;
 115
 116 int  ncp_request(struct ncp_conn *conn,struct ncp_rq *rqp);
 117 int  ncp_ncp_connect(struct ncp_conn *conn);
 118 int  ncp_ncp_disconnect(struct ncp_conn *conn);
 119 int  ncp_reconnect(struct ncp_conn *conn);
 120 int  ncp_connect(struct ncp_conn_args *li,struct thread *td, struct ucred *cred,struct ncp_conn **aconn);
 121 int  ncp_disconnect(struct ncp_conn *conn);
 122 int     ncp_login(struct ncp_conn *, const char *, int, const char *,
 123                   struct thread *, struct ucred *);
 124
 125 #endif /* _NCP_NCP_H_ */