1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2000-2001 Boris Popov
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30 #ifndef _NETSMB_SMB_TRANTCP_H_
31 #define _NETSMB_SMB_TRANTCP_H_
32
33 #ifdef _KERNEL
34
35 #ifdef NB_DEBUG
36 #define NBDEBUG(format, args...) printf("%s(%d): "format, \
37 __func__ , __LINE__ ,## args)
38 #else
39 #define NBDEBUG(format, args...)
40 #endif
41
42 enum nbstate {
43 NBST_CLOSED,
44 NBST_RQSENT,
45 NBST_SESSION,
46 NBST_RETARGET,
47 NBST_REFUSED
48 };
49
50
51 /*
52 * socket specific data
53 */
54 struct nbpcb {
55 struct smb_vc * nbp_vc;
56 struct socket * nbp_tso; /* transport socket */
57 struct sockaddr_nb *nbp_laddr; /* local address */
58 struct sockaddr_nb *nbp_paddr; /* peer address */
59
60 int nbp_flags;
61 #define NBF_LOCADDR 0x0001 /* has local addr */
62 #define NBF_CONNECTED 0x0002
63 #define NBF_RECVLOCK 0x0004
64
65 enum nbstate nbp_state;
66 struct timespec nbp_timo;
67 int nbp_sndbuf;
68 int nbp_rcvbuf;
69 void * nbp_selectid;
70
71 /* LIST_ENTRY(nbpcb) nbp_link;*/
72 };
73
74 /*
75 * Nominal space allocated per a NETBIOS socket.
76 */
77 #define NB_SNDQ (64 * 1024)
78 #define NB_RCVQ (64 * 1024)
79
80 /*
81 * TCP slowstart presents a problem in conjunction with large
82 * reads. To ensure a steady stream of ACKs while reading using
83 * large transaction sizes, we call soreceive() with a smaller
84 * buffer size. See nbssn_recv().
85 */
86 #define NB_SORECEIVE_CHUNK (8 * 1024)
87
88 extern struct smb_tran_desc smb_tran_nbtcp_desc;
89
90 #endif /* _KERNEL */
91
92 #endif /* !_NETSMB_SMB_TRANTCP_H_ */
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