1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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#ifndef _NETSMB_SMB_TRANTCP_H_
29#define _NETSMB_SMB_TRANTCP_H_
30
31#ifdef _KERNEL
32
33#ifdef NB_DEBUG
34#define NBDEBUG(format, args...) printf("%s(%d): "format, \
35 __func__ , __LINE__ ,## args)
36#else
37#define NBDEBUG(format, args...)
38#endif
39
40enum nbstate {
41 NBST_CLOSED,
42 NBST_RQSENT,
43 NBST_SESSION,
44 NBST_RETARGET,
45 NBST_REFUSED
46};
47
48/*
49 * socket specific data
50 */
51struct nbpcb {
52 struct smb_vc * nbp_vc;
53 struct socket * nbp_tso; /* transport socket */
54 struct sockaddr_nb *nbp_laddr; /* local address */
55 struct sockaddr_nb *nbp_paddr; /* peer address */
56
57 int nbp_flags;
58#define NBF_LOCADDR 0x0001 /* has local addr */
59#define NBF_CONNECTED 0x0002
60#define NBF_RECVLOCK 0x0004
61
62 enum nbstate nbp_state;
63 struct timespec nbp_timo;
64 int nbp_sndbuf;
65 int nbp_rcvbuf;
66 void * nbp_selectid;
67
68/* LIST_ENTRY(nbpcb) nbp_link;*/
69};
70
71/*
72 * Nominal space allocated per a NETBIOS socket.
73 */
74#define NB_SNDQ (64 * 1024)
75#define NB_RCVQ (64 * 1024)
76
77/*
78 * TCP slowstart presents a problem in conjunction with large
79 * reads. To ensure a steady stream of ACKs while reading using
80 * large transaction sizes, we call soreceive() with a smaller
81 * buffer size. See nbssn_recv().
82 */
83#define NB_SORECEIVE_CHUNK (8 * 1024)
84
85extern struct smb_tran_desc smb_tran_nbtcp_desc;
86
87#endif /* _KERNEL */
88
89#endif /* !_NETSMB_SMB_TRANTCP_H_ */