xref: /freebsd/sys/netsmb/smb_trantcp.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1c398230bSWarner Losh /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3fe267a55SPedro F. Giffuni  *
4d122d784SJoel Dahl  * Copyright (c) 2000-2001 Boris Popov
5681a5bbeSBoris Popov  * All rights reserved.
6681a5bbeSBoris Popov  *
7681a5bbeSBoris Popov  * Redistribution and use in source and binary forms, with or without
8681a5bbeSBoris Popov  * modification, are permitted provided that the following conditions
9681a5bbeSBoris Popov  * are met:
10681a5bbeSBoris Popov  * 1. Redistributions of source code must retain the above copyright
11681a5bbeSBoris Popov  *    notice, this list of conditions and the following disclaimer.
12681a5bbeSBoris Popov  * 2. Redistributions in binary form must reproduce the above copyright
13681a5bbeSBoris Popov  *    notice, this list of conditions and the following disclaimer in the
14681a5bbeSBoris Popov  *    documentation and/or other materials provided with the distribution.
15681a5bbeSBoris Popov  *
16681a5bbeSBoris Popov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17681a5bbeSBoris Popov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18681a5bbeSBoris Popov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19681a5bbeSBoris Popov  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20681a5bbeSBoris Popov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21681a5bbeSBoris Popov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22681a5bbeSBoris Popov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23681a5bbeSBoris Popov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24681a5bbeSBoris Popov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25681a5bbeSBoris Popov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26681a5bbeSBoris Popov  * SUCH DAMAGE.
27681a5bbeSBoris Popov  */
28681a5bbeSBoris Popov #ifndef _NETSMB_SMB_TRANTCP_H_
29681a5bbeSBoris Popov #define	_NETSMB_SMB_TRANTCP_H_
30681a5bbeSBoris Popov 
31681a5bbeSBoris Popov #ifdef _KERNEL
32681a5bbeSBoris Popov 
33681a5bbeSBoris Popov #ifdef NB_DEBUG
34681a5bbeSBoris Popov #define NBDEBUG(format, args...)	 printf("%s(%d): "format,	\
356e551fb6SDavid E. O'Brien 					    __func__ , __LINE__ ,## args)
36681a5bbeSBoris Popov #else
37681a5bbeSBoris Popov #define NBDEBUG(format, args...)
38681a5bbeSBoris Popov #endif
39681a5bbeSBoris Popov 
40681a5bbeSBoris Popov enum nbstate {
41681a5bbeSBoris Popov 	NBST_CLOSED,
42681a5bbeSBoris Popov 	NBST_RQSENT,
43681a5bbeSBoris Popov 	NBST_SESSION,
44681a5bbeSBoris Popov 	NBST_RETARGET,
45681a5bbeSBoris Popov 	NBST_REFUSED
46681a5bbeSBoris Popov };
47681a5bbeSBoris Popov 
48681a5bbeSBoris Popov /*
49681a5bbeSBoris Popov  * socket specific data
50681a5bbeSBoris Popov  */
51681a5bbeSBoris Popov struct nbpcb {
52681a5bbeSBoris Popov 	struct smb_vc *	nbp_vc;
53681a5bbeSBoris Popov 	struct socket *	nbp_tso;	/* transport socket */
54681a5bbeSBoris Popov 	struct sockaddr_nb *nbp_laddr;	/* local address */
55681a5bbeSBoris Popov 	struct sockaddr_nb *nbp_paddr;	/* peer address */
56681a5bbeSBoris Popov 
57681a5bbeSBoris Popov 	int		nbp_flags;
58681a5bbeSBoris Popov #define	NBF_LOCADDR	0x0001		/* has local addr */
59681a5bbeSBoris Popov #define	NBF_CONNECTED	0x0002
60681a5bbeSBoris Popov #define	NBF_RECVLOCK	0x0004
61681a5bbeSBoris Popov 
62681a5bbeSBoris Popov 	enum nbstate	nbp_state;
63681a5bbeSBoris Popov 	struct timespec	nbp_timo;
64681a5bbeSBoris Popov 	int		nbp_sndbuf;
65681a5bbeSBoris Popov 	int		nbp_rcvbuf;
66681a5bbeSBoris Popov 	void *		nbp_selectid;
67681a5bbeSBoris Popov 
68681a5bbeSBoris Popov /*	LIST_ENTRY(nbpcb) nbp_link;*/
69681a5bbeSBoris Popov };
70681a5bbeSBoris Popov 
71681a5bbeSBoris Popov /*
72681a5bbeSBoris Popov  * Nominal space allocated per a NETBIOS socket.
73681a5bbeSBoris Popov  */
743c304004SBoris Popov #define	NB_SNDQ		(64 * 1024)
753c304004SBoris Popov #define	NB_RCVQ		(64 * 1024)
763c304004SBoris Popov 
773c304004SBoris Popov /*
783c304004SBoris Popov  * TCP slowstart presents a problem in conjunction with large
793c304004SBoris Popov  * reads.  To ensure a steady stream of ACKs while reading using
803c304004SBoris Popov  * large transaction sizes, we call soreceive() with a smaller
813c304004SBoris Popov  * buffer size.  See nbssn_recv().
823c304004SBoris Popov  */
833c304004SBoris Popov #define NB_SORECEIVE_CHUNK	(8 * 1024)
84681a5bbeSBoris Popov 
85681a5bbeSBoris Popov extern struct smb_tran_desc smb_tran_nbtcp_desc;
86681a5bbeSBoris Popov 
87681a5bbeSBoris Popov #endif /* _KERNEL */
88681a5bbeSBoris Popov 
89681a5bbeSBoris Popov #endif /* !_NETSMB_SMB_TRANTCP_H_ */
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