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/*-
* Copyright (c) 2000-2001 Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/netsmb/smb_rq.h 206361 2010-04-07 16:50:38Z joel $
*/
#ifndef _NETSMB_SMB_RQ_H_
#define _NETSMB_SMB_RQ_H_
#ifndef MB_MSYSTEM
#include <sys/mchain.h>
#endif
#define SMBR_ALLOCED 0x0001 /* structure was malloced */
#define SMBR_SENT 0x0002 /* request successfully transmitted */
#define SMBR_REXMIT 0x0004 /* request should be retransmitted */
#define SMBR_INTR 0x0008 /* request interrupted */
#define SMBR_RESTART 0x0010 /* request should be repeated if possible */
#define SMBR_NORESTART 0x0020 /* request is not restartable */
#define SMBR_MULTIPACKET 0x0040 /* multiple packets can be sent and received */
#define SMBR_INTERNAL 0x0080 /* request is internal to smbrqd */
#define SMBR_XLOCK 0x0100 /* request locked and can't be moved */
#define SMBR_XLOCKWANT 0x0200 /* waiter on XLOCK */
#define SMBT2_ALLSENT 0x0001 /* all data and params are sent */
#define SMBT2_ALLRECV 0x0002 /* all data and params are received */
#define SMBT2_ALLOCED 0x0004
#define SMBT2_RESTART 0x0008
#define SMBT2_NORESTART 0x0010
#define SMBT2_SECONDARY 0x0020 /* secondary request */
#define SMBRQ_SLOCK(rqp) smb_sl_lock(&(rqp)->sr_slock)
#define SMBRQ_SUNLOCK(rqp) smb_sl_unlock(&(rqp)->sr_slock)
#define SMBRQ_SLOCKPTR(rqp) (&(rqp)->sr_slock)
enum smbrq_state {
SMBRQ_NOTSENT, /* rq have data to send */
SMBRQ_SENT, /* send procedure completed */
SMBRQ_REPLYRECEIVED,
SMBRQ_NOTIFIED /* owner notified about completion */
};
struct smb_vc;
struct smb_t2rq;
struct smb_rq {
enum smbrq_state sr_state;
struct smb_vc * sr_vc;
struct smb_share* sr_share;
u_short sr_mid;
u_int32_t sr_seqno;
u_int32_t sr_rseqno;
struct mbchain sr_rq;
u_int8_t sr_rqflags;
u_int16_t sr_rqflags2;
u_char * sr_wcount;
void * sr_bcount; /* Points to 2-byte buffer. */
struct mdchain sr_rp;
int sr_rpgen;
int sr_rplast;
int sr_flags; /* SMBR_* */
int sr_rpsize;
struct smb_cred * sr_cred;
int sr_timo;
int sr_rexmit;
int sr_sendcnt;
struct timespec sr_timesent;
int sr_lerror;
u_int8_t * sr_rqsig;
void * sr_rqtid; /* Points to 2-byte buffer. */
void * sr_rquid; /* Points to 2-byte buffer. */
u_int8_t sr_errclass;
u_int16_t sr_serror;
u_int32_t sr_error;
u_int8_t sr_rpflags;
u_int16_t sr_rpflags2;
u_int16_t sr_rptid;
u_int16_t sr_rppid;
u_int16_t sr_rpuid;
u_int16_t sr_rpmid;
struct smb_slock sr_slock; /* short term locks */
struct smb_t2rq * sr_t2;
TAILQ_ENTRY(smb_rq) sr_link;
};
struct smb_t2rq {
u_int16_t t2_setupcount;
u_int16_t * t2_setupdata;
u_int16_t t2_setup[2]; /* most of rqs has setupcount of 1 */
u_int8_t t2_maxscount; /* max setup words to return */
u_int16_t t2_maxpcount; /* max param bytes to return */
u_int16_t t2_maxdcount; /* max data bytes to return */
u_int16_t t2_fid; /* for T2 request */
char * t_name; /* for T request, should be zero for T2 */
int t2_flags; /* SMBT2_ */
struct mbchain t2_tparam; /* parameters to transmit */
struct mbchain t2_tdata; /* data to transmit */
struct mdchain t2_rparam; /* received parameters */
struct mdchain t2_rdata; /* received data */
struct smb_cred*t2_cred;
struct smb_connobj *t2_source;
struct smb_rq * t2_rq;
struct smb_vc * t2_vc;
};
int smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
struct smb_cred *scred, struct smb_rq **rqpp);
int smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd,
struct smb_cred *scred);
void smb_rq_done(struct smb_rq *rqp);
int smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
int smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
void smb_rq_wstart(struct smb_rq *rqp);
void smb_rq_wend(struct smb_rq *rqp);
void smb_rq_bstart(struct smb_rq *rqp);
void smb_rq_bend(struct smb_rq *rqp);
int smb_rq_intr(struct smb_rq *rqp);
int smb_rq_simple(struct smb_rq *rqp);
int smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
struct smb_t2rq **rqpp);
int smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup,
struct smb_cred *scred);
void smb_t2_done(struct smb_t2rq *t2p);
int smb_t2_request(struct smb_t2rq *t2p);
#endif /* !_NETSMB_SMB_RQ_H_ */