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 * $Id: smb_trantcp.h,v 1.8 2004/08/03 23:50:01 lindak Exp $
33 */
34#ifndef _NETSMB_SMB_TRANTCP_H_
35#define	_NETSMB_SMB_TRANTCP_H_
36
37#pragma ident	"%Z%%M%	%I%	%E% SMI"
38
39enum nbstate {
40	NBST_CLOSED,
41	NBST_RQSENT,
42	NBST_SESSION,
43	NBST_RETARGET,
44	NBST_REFUSED
45};
46
47
48/*
49 * socket specific data
50 */
51struct nbpcb {
52	struct smb_vc	*nbp_vc;
53	struct tiuser	*nbp_tiptr;	/* KTLI transport handle... */
54	ushort_t	nbp_fmode;
55	mblk_t		*nbp_frag;	/* left-over from last recv */
56
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#define	NBF_UPCALLED	0x0010
65
66	enum nbstate	nbp_state;
67	struct timespec	nbp_timo;
68	int		nbp_sndbuf;
69	int		nbp_rcvbuf;
70	void		*nbp_selectid;
71	kmutex_t	nbp_lock;
72};
73typedef struct nbpcb nbpcb_t;
74
75/*
76 * Nominal space allocated per a NETBIOS socket.
77 */
78#define	NB_SNDQ		(10 * 1024)
79#define	NB_RCVQ		(20 * 1024)
80
81/*
82 * TCP slowstart presents a problem in conjunction with large
83 * reads.  To ensure a steady stream of ACKs while reading using
84 * large transaction sizes, we call soreceive() with a smaller
85 * buffer size.  See nbssn_recv().
86 */
87#define	NB_SORECEIVE_CHUNK	(8 * 1024)
88
89#define	SMBSBTIMO 15 /* seconds for sockbuf timeouts */
90
91#endif /* !_NETSMB_SMB_TRANTCP_H_ */
92