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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
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/*
50 * socket specific data
51 */
52struct nbpcb {
53	struct smb_vc *	nbp_vc;
54	struct socket *	nbp_tso;	/* transport socket */
55	struct sockaddr_nb *nbp_laddr;	/* local address */
56	struct sockaddr_nb *nbp_paddr;	/* peer address */
57
58	int		nbp_flags;
59#define	NBF_LOCADDR	0x0001		/* has local addr */
60#define	NBF_CONNECTED	0x0002
61#define	NBF_RECVLOCK	0x0004
62
63	enum nbstate	nbp_state;
64	struct timespec	nbp_timo;
65	int		nbp_sndbuf;
66	int		nbp_rcvbuf;
67	void *		nbp_selectid;
68
69/*	LIST_ENTRY(nbpcb) nbp_link;*/
70};
71
72/*
73 * Nominal space allocated per a NETBIOS socket.
74 */
75#define	NB_SNDQ		(64 * 1024)
76#define	NB_RCVQ		(64 * 1024)
77
78/*
79 * TCP slowstart presents a problem in conjunction with large
80 * reads.  To ensure a steady stream of ACKs while reading using
81 * large transaction sizes, we call soreceive() with a smaller
82 * buffer size.  See nbssn_recv().
83 */
84#define NB_SORECEIVE_CHUNK	(8 * 1024)
85
86extern struct smb_tran_desc smb_tran_nbtcp_desc;
87
88#endif /* _KERNEL */
89
90#endif /* !_NETSMB_SMB_TRANTCP_H_ */
91