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: releng/11.2/sys/netsmb/smb_trantcp.h 206361 2010-04-07 16:50:38Z joel $
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
40 enum 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 */
52 struct 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
86 extern struct smb_tran_desc smb_tran_nbtcp_desc;
87
88 #endif /* _KERNEL */
89
90 #endif /* !_NETSMB_SMB_TRANTCP_H_ */
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