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
42enum 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 */
54struct 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
88extern struct smb_tran_desc smb_tran_nbtcp_desc;
89
90#endif /* _KERNEL */
91
92#endif /* !_NETSMB_SMB_TRANTCP_H_ */
93