smb_trantcp.h revision 139823 
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: head/sys/netsmb/smb_trantcp.h 139823 2005-01-07 01:45:51Z imp $
33 */
34#ifndef _NETSMB_SMB_TRANTCP_H_
35#define	_NETSMB_SMB_TRANTCP_H_
36
37#ifdef _KERNEL
38
39#ifdef NB_DEBUG
40#define NBDEBUG(format, args...)	 printf("%s(%d): "format,	\
41					    __func__ , __LINE__ ,## args)
42#else
43#define NBDEBUG(format, args...)
44#endif
45
46enum nbstate {
47	NBST_CLOSED,
48	NBST_RQSENT,
49	NBST_SESSION,
50	NBST_RETARGET,
51	NBST_REFUSED
52};
53
54
55/*
56 * socket specific data
57 */
58struct nbpcb {
59	struct smb_vc *	nbp_vc;
60	struct socket *	nbp_tso;	/* transport socket */
61	struct sockaddr_nb *nbp_laddr;	/* local address */
62	struct sockaddr_nb *nbp_paddr;	/* peer address */
63
64	int		nbp_flags;
65#define	NBF_LOCADDR	0x0001		/* has local addr */
66#define	NBF_CONNECTED	0x0002
67#define	NBF_RECVLOCK	0x0004
68
69	enum nbstate	nbp_state;
70	struct timespec	nbp_timo;
71	int		nbp_sndbuf;
72	int		nbp_rcvbuf;
73	void *		nbp_selectid;
74
75/*	LIST_ENTRY(nbpcb) nbp_link;*/
76};
77
78/*
79 * Nominal space allocated per a NETBIOS socket.
80 */
81#define	NB_SNDQ		(64 * 1024)
82#define	NB_RCVQ		(64 * 1024)
83
84/*
85 * TCP slowstart presents a problem in conjunction with large
86 * reads.  To ensure a steady stream of ACKs while reading using
87 * large transaction sizes, we call soreceive() with a smaller
88 * buffer size.  See nbssn_recv().
89 */
90#define NB_SORECEIVE_CHUNK	(8 * 1024)
91
92extern struct smb_tran_desc smb_tran_nbtcp_desc;
93
94#endif /* _KERNEL */
95
96#endif /* !_NETSMB_SMB_TRANTCP_H_ */
97