sys/netproto/smb/smb_rq.h

   1 /*
   2  * Copyright (c) 2000-2001, 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/netsmb/smb_rq.h,v 1.1.2.2 2002/04/23 03:45:01 bp Exp $
  33  * $DragonFly: src/sys/netproto/smb/smb_rq.h,v 1.4 2005/12/06 04:03:56 dillon Exp $
  34  */
  35 #ifndef _NETSMB_SMB_RQ_H_
  36 #define _NETSMB_SMB_RQ_H_
  37
  38 #ifndef MB_MSYSTEM
  39 #include <sys/mchain.h>
  40 #endif
  41
  42 #define SMBR_ALLOCED            0x0001  /* structure was malloced */
  43 #define SMBR_SENT               0x0002  /* request successfully transmitted */
  44 #define SMBR_REXMIT             0x0004  /* request should be retransmitted */
  45 #define SMBR_INTR               0x0008  /* request interrupted */
  46 #define SMBR_RESTART            0x0010  /* request should be repeated if possible */
  47 #define SMBR_NORESTART          0x0020  /* request is not restartable */
  48 #define SMBR_MULTIPACKET        0x0040  /* multiple packets can be sent and received */
  49 #define SMBR_INTERNAL           0x0080  /* request is internal to smbrqd */
  50 #define SMBR_XLOCK              0x0100  /* request locked and can't be moved */
  51 #define SMBR_XLOCKWANT          0x0200  /* waiter on XLOCK */
  52
  53 #define SMBT2_ALLSENT           0x0001  /* all data and params are sent */
  54 #define SMBT2_ALLRECV           0x0002  /* all data and params are received */
  55 #define SMBT2_ALLOCED           0x0004
  56 #define SMBT2_RESTART           0x0008
  57 #define SMBT2_NORESTART         0x0010
  58
  59 #define SMBRQ_SLOCK(rqp)        smb_sl_lock(&(rqp)->sr_slock)
  60 #define SMBRQ_SUNLOCK(rqp)      smb_sl_unlock(&(rqp)->sr_slock)
  61 #define SMBRQ_INTERLOCK(rqp)    (&(rqp)->sr_slock)
  62 #define SMBRQ_SLOCKPTR(rqp)     (&(rqp)->sr_slock)
  63
  64
  65 enum smbrq_state {
  66         SMBRQ_NOTSENT,          /* rq have data to send */
  67         SMBRQ_SENT,             /* send procedure completed */
  68         SMBRQ_REPLYRECEIVED,
  69         SMBRQ_NOTIFIED          /* owner notified about completion */
  70 };
  71
  72 struct smb_vc;
  73 struct smb_t2rq;
  74
  75 struct smb_rq {
  76         enum smbrq_state        sr_state;
  77         struct smb_vc *         sr_vc;
  78         struct smb_share*       sr_share;
  79         u_short                 sr_mid;
  80         struct mbchain          sr_rq;
  81         u_int8_t                sr_rqflags;
  82         u_int16_t               sr_rqflags2;
  83         u_char *                sr_wcount;
  84         u_short *               sr_bcount;
  85         struct mdchain          sr_rp;
  86         int                     sr_rpgen;
  87         int                     sr_rplast;
  88         int                     sr_flags;       /* SMBR_* */
  89         int                     sr_rpsize;
  90         struct smb_cred *       sr_cred;
  91         int                     sr_timo;
  92         int                     sr_rexmit;
  93         int                     sr_sendcnt;
  94         struct timespec         sr_timesent;
  95         int                     sr_lerror;
  96         u_int16_t *             sr_rqtid;
  97         u_int16_t *             sr_rquid;
  98         u_int8_t                sr_errclass;
  99         u_int16_t               sr_serror;
 100         u_int32_t               sr_error;
 101         u_int8_t                sr_rpflags;
 102         u_int16_t               sr_rpflags2;
 103         u_int16_t               sr_rptid;
 104         u_int16_t               sr_rppid;
 105         u_int16_t               sr_rpuid;
 106         u_int16_t               sr_rpmid;
 107         struct smb_slock        sr_slock;       /* short term locks */
 108 /*      struct smb_t2rq*sr_t2;*/
 109         TAILQ_ENTRY(smb_rq)     sr_link;
 110 };
 111
 112 struct smb_t2rq {
 113         u_int16_t       t2_setupcount;
 114         u_int16_t *     t2_setupdata;
 115         u_int16_t       t2_setup[2];    /* most of rqs has setupcount of 1 */
 116         u_int8_t        t2_maxscount;   /* max setup words to return */
 117         u_int16_t       t2_maxpcount;   /* max param bytes to return */
 118         u_int16_t       t2_maxdcount;   /* max data bytes to return */
 119         u_int16_t       t2_fid;         /* for T2 request */
 120         char *          t_name;         /* for T request, should be zero for T2 */
 121         int             t2_flags;       /* SMBT2_ */
 122         struct mbchain  t2_tparam;      /* parameters to transmit */
 123         struct mbchain  t2_tdata;       /* data to transmit */
 124         struct mdchain  t2_rparam;      /* received parameters */
 125         struct mdchain  t2_rdata;       /* received data */
 126         struct smb_cred*t2_cred;
 127         struct smb_connobj *t2_source;
 128         struct smb_rq * t2_rq;
 129         struct smb_vc * t2_vc;
 130 };
 131
 132 int  smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
 133         struct smb_cred *scred, struct smb_rq **rqpp);
 134 int  smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd,
 135         struct smb_cred *scred);
 136 void smb_rq_done(struct smb_rq *rqp);
 137 int  smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
 138 int  smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
 139 void smb_rq_wstart(struct smb_rq *rqp);
 140 void smb_rq_wend(struct smb_rq *rqp);
 141 void smb_rq_bstart(struct smb_rq *rqp);
 142 void smb_rq_bend(struct smb_rq *rqp);
 143 int  smb_rq_intr(struct smb_rq *rqp);
 144 int  smb_rq_simple(struct smb_rq *rqp);
 145
 146 int  smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
 147         struct smb_t2rq **rqpp);
 148 int  smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup,
 149         struct smb_cred *scred);
 150 void smb_t2_done(struct smb_t2rq *t2p);
 151 int  smb_t2_request(struct smb_t2rq *t2p);
 152
 153 #endif /* !_NETSMB_SMB_RQ_H_ */