FreeBSD/Linux Kernel Cross Reference
sys/netsmb/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 * $FreeBSD$
33 */
34 #ifndef _NETSMB_SMB_RQ_H_
35 #define _NETSMB_SMB_RQ_H_
36
37 #ifndef MB_MSYSTEM
38 #include <sys/mchain.h>
39 #endif
40
41 #define SMBR_ALLOCED 0x0001 /* structure was malloced */
42 #define SMBR_SENT 0x0002 /* request successfully transmitted */
43 #define SMBR_REXMIT 0x0004 /* request should be retransmitted */
44 #define SMBR_INTR 0x0008 /* request interrupted */
45 #define SMBR_RESTART 0x0010 /* request should be repeated if possible */
46 #define SMBR_NORESTART 0x0020 /* request is not restartable */
47 #define SMBR_MULTIPACKET 0x0040 /* multiple packets can be sent and received */
48 #define SMBR_INTERNAL 0x0080 /* request is internal to smbrqd */
49 #define SMBR_XLOCK 0x0100 /* request locked and can't be moved */
50 #define SMBR_XLOCKWANT 0x0200 /* waiter on XLOCK */
51
52 #define SMBT2_ALLSENT 0x0001 /* all data and params are sent */
53 #define SMBT2_ALLRECV 0x0002 /* all data and params are received */
54 #define SMBT2_ALLOCED 0x0004
55 #define SMBT2_RESTART 0x0008
56 #define SMBT2_NORESTART 0x0010
57 #define SMBT2_SECONDARY 0x0020 /* secondary request */
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_SLOCKPTR(rqp) (&(rqp)->sr_slock)
62
63
64 enum smbrq_state {
65 SMBRQ_NOTSENT, /* rq have data to send */
66 SMBRQ_SENT, /* send procedure completed */
67 SMBRQ_REPLYRECEIVED,
68 SMBRQ_NOTIFIED /* owner notified about completion */
69 };
70
71 struct smb_vc;
72 struct smb_t2rq;
73
74 struct smb_rq {
75 enum smbrq_state sr_state;
76 struct smb_vc * sr_vc;
77 struct smb_share* sr_share;
78 u_short sr_mid;
79 u_int32_t sr_seqno;
80 u_int32_t sr_rseqno;
81 struct mbchain sr_rq;
82 u_int8_t sr_rqflags;
83 u_int16_t sr_rqflags2;
84 u_char * sr_wcount;
85 void * sr_bcount; /* Points to 2-byte buffer. */
86 struct mdchain sr_rp;
87 int sr_rpgen;
88 int sr_rplast;
89 int sr_flags; /* SMBR_* */
90 int sr_rpsize;
91 struct smb_cred * sr_cred;
92 int sr_timo;
93 int sr_rexmit;
94 int sr_sendcnt;
95 struct timespec sr_timesent;
96 int sr_lerror;
97 u_int8_t * sr_rqsig;
98 void * sr_rqtid; /* Points to 2-byte buffer. */
99 void * sr_rquid; /* Points to 2-byte buffer. */
100 u_int8_t sr_errclass;
101 u_int16_t sr_serror;
102 u_int32_t sr_error;
103 u_int8_t sr_rpflags;
104 u_int16_t sr_rpflags2;
105 u_int16_t sr_rptid;
106 u_int16_t sr_rppid;
107 u_int16_t sr_rpuid;
108 u_int16_t sr_rpmid;
109 struct smb_slock sr_slock; /* short term locks */
110 struct smb_t2rq * sr_t2;
111 TAILQ_ENTRY(smb_rq) sr_link;
112 };
113
114 struct smb_t2rq {
115 u_int16_t t2_setupcount;
116 u_int16_t * t2_setupdata;
117 u_int16_t t2_setup[2]; /* most of rqs has setupcount of 1 */
118 u_int8_t t2_maxscount; /* max setup words to return */
119 u_int16_t t2_maxpcount; /* max param bytes to return */
120 u_int16_t t2_maxdcount; /* max data bytes to return */
121 u_int16_t t2_fid; /* for T2 request */
122 char * t_name; /* for T request, should be zero for T2 */
123 int t2_flags; /* SMBT2_ */
124 struct mbchain t2_tparam; /* parameters to transmit */
125 struct mbchain t2_tdata; /* data to transmit */
126 struct mdchain t2_rparam; /* received parameters */
127 struct mdchain t2_rdata; /* received data */
128 struct smb_cred*t2_cred;
129 struct smb_connobj *t2_source;
130 struct smb_rq * t2_rq;
131 struct smb_vc * t2_vc;
132 };
133
134 int smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
135 struct smb_cred *scred, struct smb_rq **rqpp);
136 int smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd,
137 struct smb_cred *scred);
138 void smb_rq_done(struct smb_rq *rqp);
139 int smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
140 int smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
141 void smb_rq_wstart(struct smb_rq *rqp);
142 void smb_rq_wend(struct smb_rq *rqp);
143 void smb_rq_bstart(struct smb_rq *rqp);
144 void smb_rq_bend(struct smb_rq *rqp);
145 int smb_rq_intr(struct smb_rq *rqp);
146 int smb_rq_simple(struct smb_rq *rqp);
147
148 int smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
149 struct smb_t2rq **rqpp);
150 int smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup,
151 struct smb_cred *scred);
152 void smb_t2_done(struct smb_t2rq *t2p);
153 int smb_t2_request(struct smb_t2rq *t2p);
154
155 #endif /* !_NETSMB_SMB_RQ_H_ */
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