155 lines
5.8 KiB
C
155 lines
5.8 KiB
C
/* $NetBSD: smb_rq.h,v 1.12 2005/12/11 00:06:21 elad Exp $ */
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/*
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* Copyright (c) 2000-2001, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* FreeBSD: src/sys/netsmb/smb_rq.h,v 1.1 2001/04/10 07:59:06 bp Exp
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*/
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#ifndef _NETSMB_SMB_RQ_H_
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#define _NETSMB_SMB_RQ_H_
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#ifndef _KERNEL
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#error not supposed to be exposed to userland.
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#endif /* !_KERNEL */
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#ifndef MB_MSYSTEM
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#include <netsmb/mchain.h>
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#endif
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#define SMBR_ALLOCED 0x0001 /* structure was malloced */
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#define SMBR_SENT 0x0002 /* request successfully transmitted */
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#define SMBR_REXMIT 0x0004 /* request should be retransmitted */
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#define SMBR_INTR 0x0008 /* request interrupted */
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#define SMBR_RESTART 0x0010 /* request should be repeated if possible */
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#define SMBR_NORESTART 0x0020 /* request is not restartable */
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#define SMBR_MULTIPACKET 0x0040 /* multiple packets can be sent and received */
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#define SMBR_INTERNAL 0x0080 /* request is internal to smbrqd */
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#define SMBR_XLOCK 0x0100 /* request locked and can't be moved */
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#define SMBR_XLOCKWANT 0x0200 /* waiter on XLOCK */
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#define SMBR_NOWAIT 0x0400 /* don't wait for reply */
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#define SMBT2_ALLSENT 0x0001 /* all data and params are sent */
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#define SMBT2_ALLRECV 0x0002 /* all data and params are received */
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#define SMBT2_ALLOCED 0x0004
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#define SMBT2_RESTART 0x0008
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#define SMBT2_NORESTART 0x0010
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#define SMBRQ_SLOCK(rqp) smb_sl_lock(&(rqp)->sr_slock)
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#define SMBRQ_SUNLOCK(rqp) smb_sl_unlock(&(rqp)->sr_slock)
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#define SMBRQ_SLOCKPTR(rqp) (&(rqp)->sr_slock)
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/* save 16bit 'what' to memory pointed out by 'where' in little-endian format */
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#define SMBRQ_PUTLE16(where, what) \
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(where)[0] = (what) & 0xff; \
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(where)[1] = (what) >> 8
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enum smbrq_state {
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SMBRQ_NOTSENT, /* rq have data to send */
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SMBRQ_SENT, /* send procedure completed */
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SMBRQ_REPLYRECEIVED,
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SMBRQ_NOTIFIED /* owner notified about completion */
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};
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struct smb_vc;
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struct smb_t2rq;
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struct smb_rq {
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enum smbrq_state sr_state;
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struct smb_vc * sr_vc; /* session */
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struct smb_share * sr_share;
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struct mbchain sr_rq;
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u_int8_t * sr_wcount;
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u_int8_t * sr_bcount;
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struct mdchain sr_rp;
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u_int sr_rpgen;
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u_int sr_rplast;
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struct smb_cred * sr_cred;
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u_short sr_mid;
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u_short sr_flags; /* SMBR_* */
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struct callout sr_timo_ch; /* for timeout expiration */
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int sr_timo; /* timeout in ticks, -1 notimo*/
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int sr_sendcnt;
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int sr_lerror;
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u_int8_t * sr_rqtid;
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u_int8_t * sr_rquid;
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u_int16_t sr_rptid;
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u_int16_t sr_rppid;
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u_int16_t sr_rpuid;
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u_int16_t sr_rpmid;
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struct smb_slock sr_slock; /* short term locks */
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SIMPLEQ_ENTRY(smb_rq) sr_link;
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void (*sr_recvcallback)(void *);
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void *sr_recvarg;
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};
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struct smb_t2rq {
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u_int16_t t2_setupcount;
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u_int16_t * t2_setupdata;
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u_int16_t t2_setup[2]; /* most of rqs has setupcount of 1 */
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u_int8_t t2_maxscount; /* max setup words to return */
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u_int16_t t2_maxpcount; /* max param bytes to return */
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u_int16_t t2_maxdcount; /* max data bytes to return */
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u_int16_t t2_fid; /* for T2 request */
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char * t_name; /* for T request, should be zero for T2 */
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int t2_flags; /* SMBT2_ */
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struct mbchain t2_tparam; /* parameters to transmit */
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struct mbchain t2_tdata; /* data to transmit */
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struct mdchain t2_rparam; /* received parameters */
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struct mdchain t2_rdata; /* received data */
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struct smb_cred*t2_cred;
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struct smb_connobj *t2_source;
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struct smb_rq * t2_rq;
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struct smb_vc * t2_vc;
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};
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int smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
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struct smb_cred *scred, struct smb_rq **rqpp);
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void smb_rq_done(struct smb_rq *rqp);
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int smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
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int smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
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void smb_rq_wstart(struct smb_rq *rqp);
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void smb_rq_wend(struct smb_rq *rqp);
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void smb_rq_bstart(struct smb_rq *rqp);
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void smb_rq_bend(struct smb_rq *rqp);
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int smb_rq_intr(struct smb_rq *rqp);
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int smb_rq_simple(struct smb_rq *rqp);
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int smb_rq_enqueue(struct smb_rq *rqp);
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int smb_rq_reply(struct smb_rq *rqp);
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void smb_rq_setcallback(struct smb_rq *, void (*)(void *), void *);
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int smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
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struct smb_t2rq **rqpp);
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void smb_t2_done(struct smb_t2rq *t2p);
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int smb_t2_request(struct smb_t2rq *t2p);
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#endif /* !_NETSMB_SMB_RQ_H_ */
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