1/* $NetBSD: smb_trantcp.h,v 1.7 2014/04/25 15:52:45 pooka Exp $ */
2
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Boris Popov.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * FreeBSD: src/sys/netsmb/smb_trantcp.h,v 1.3 2002/09/18 07:38:10 bp Exp
35 */
36#ifndef _NETSMB_SMB_TRANTCP_H_
37#define _NETSMB_SMB_TRANTCP_H_
38
39#ifndef _KERNEL
40#error not supposed to be exposed to userland.
41#endif /* !_KERNEL */
42
43#ifdef _KERNEL
44
45#ifdef NB_DEBUG
46#define NBDEBUG(x) aprint_debug x
47#else
48#define NBDEBUG(x) /* nothing */
49#endif
50
51enum nbstate {
52 NBST_CLOSED,
53 NBST_RQSENT,
54 NBST_SESSION,
55 NBST_RETARGET,
56 NBST_REFUSED
57};
58
59
60/*
61 * socket specific data
62 */
63struct nbpcb {
64 struct smb_vc * nbp_vc;
65 struct socket * nbp_tso; /* transport socket */
66 struct sockaddr_nb *nbp_laddr; /* local address */
67 struct sockaddr_nb *nbp_paddr; /* peer address */
68
69 int nbp_flags;
70#define NBF_LOCADDR 0x0001 /* has local addr */
71#define NBF_CONNECTED 0x0002
72#define NBF_RECVLOCK 0x0004
73
74 enum nbstate nbp_state;
75 void * nbp_selectid;
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 * Timeouts (s) used for send/receive. XXX Sysctl this?
86 */
87#define NB_SNDTIMEO (5)
88#define NB_RCVTIMEO (5)
89
90/*
91 * TCP slowstart presents a problem in conjunction with large
92 * reads. To ensure a steady stream of ACKs while reading using
93 * large transaction sizes, we call soreceive() with a smaller
94 * buffer size. See nbssn_recv().
95 */
96#define NB_SORECEIVE_CHUNK (8 * 1024)
97
98extern struct smb_tran_desc smb_tran_nbtcp_desc;
99
100#endif /* _KERNEL */
101
102#endif /* !_NETSMB_SMB_TRANTCP_H_ */
103