xref: /illumos-gate/usr/src/uts/common/fs/smbclnt/netsmb/smb_trantcp.h (revision 40c0e2317898b8c774791bdc2b30bd50111ab1fa)
14bff34e3Sthurlow /*
24bff34e3Sthurlow  * Copyright (c) 2000-2001, Boris Popov
34bff34e3Sthurlow  * All rights reserved.
44bff34e3Sthurlow  *
54bff34e3Sthurlow  * Redistribution and use in source and binary forms, with or without
64bff34e3Sthurlow  * modification, are permitted provided that the following conditions
74bff34e3Sthurlow  * are met:
84bff34e3Sthurlow  * 1. Redistributions of source code must retain the above copyright
94bff34e3Sthurlow  *    notice, this list of conditions and the following disclaimer.
104bff34e3Sthurlow  * 2. Redistributions in binary form must reproduce the above copyright
114bff34e3Sthurlow  *    notice, this list of conditions and the following disclaimer in the
124bff34e3Sthurlow  *    documentation and/or other materials provided with the distribution.
134bff34e3Sthurlow  * 3. All advertising materials mentioning features or use of this software
144bff34e3Sthurlow  *    must display the following acknowledgement:
154bff34e3Sthurlow  *    This product includes software developed by Boris Popov.
164bff34e3Sthurlow  * 4. Neither the name of the author nor the names of any co-contributors
174bff34e3Sthurlow  *    may be used to endorse or promote products derived from this software
184bff34e3Sthurlow  *    without specific prior written permission.
194bff34e3Sthurlow  *
204bff34e3Sthurlow  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
214bff34e3Sthurlow  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
224bff34e3Sthurlow  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
234bff34e3Sthurlow  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
244bff34e3Sthurlow  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
254bff34e3Sthurlow  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
264bff34e3Sthurlow  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
274bff34e3Sthurlow  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
284bff34e3Sthurlow  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
294bff34e3Sthurlow  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
304bff34e3Sthurlow  * SUCH DAMAGE.
314bff34e3Sthurlow  *
324bff34e3Sthurlow  * $Id: smb_trantcp.h,v 1.8 2004/08/03 23:50:01 lindak Exp $
334bff34e3Sthurlow  */
343d804dabSGordon Ross /*
35*40c0e231SGordon Ross  * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
363d804dabSGordon Ross  */
374bff34e3Sthurlow #ifndef _NETSMB_SMB_TRANTCP_H_
384bff34e3Sthurlow #define	_NETSMB_SMB_TRANTCP_H_
394bff34e3Sthurlow 
404bff34e3Sthurlow enum nbstate {
414bff34e3Sthurlow 	NBST_CLOSED,
42*40c0e231SGordon Ross 	NBST_IDLE,
434bff34e3Sthurlow 	NBST_RQSENT,
444bff34e3Sthurlow 	NBST_SESSION,
454bff34e3Sthurlow 	NBST_RETARGET,
464bff34e3Sthurlow 	NBST_REFUSED
474bff34e3Sthurlow };
484bff34e3Sthurlow 
494bff34e3Sthurlow 
504bff34e3Sthurlow /*
514bff34e3Sthurlow  * socket specific data
524bff34e3Sthurlow  */
534bff34e3Sthurlow struct nbpcb {
544bff34e3Sthurlow 	struct smb_vc	*nbp_vc;
554bff34e3Sthurlow 	struct tiuser	*nbp_tiptr;	/* KTLI transport handle... */
564bff34e3Sthurlow 	mblk_t		*nbp_frag;	/* left-over from last recv */
574bff34e3Sthurlow 
584bff34e3Sthurlow 	struct sockaddr_nb *nbp_laddr;	/* local address */
594bff34e3Sthurlow 	struct sockaddr_nb *nbp_paddr;	/* peer address */
603d804dabSGordon Ross 	void		*nbp_selectid;
613d804dabSGordon Ross 	cred_t		*nbp_cred;
624bff34e3Sthurlow 
634bff34e3Sthurlow 	int		nbp_flags;
644bff34e3Sthurlow #define	NBF_LOCADDR	0x0001		/* has local addr */
654bff34e3Sthurlow #define	NBF_CONNECTED	0x0002
664bff34e3Sthurlow #define	NBF_RECVLOCK	0x0004
673d804dabSGordon Ross #define	NBF_SENDLOCK	0x0008
683d804dabSGordon Ross #define	NBF_LOCKWAIT	0x0010
694bff34e3Sthurlow 
703d804dabSGordon Ross 	ushort_t	nbp_fmode;
714bff34e3Sthurlow 	enum nbstate	nbp_state;
724bff34e3Sthurlow 	struct timespec	nbp_timo;
734bff34e3Sthurlow 	int		nbp_sndbuf;
744bff34e3Sthurlow 	int		nbp_rcvbuf;
754bff34e3Sthurlow 	kmutex_t	nbp_lock;
763d804dabSGordon Ross 	kcondvar_t	nbp_cv;
774bff34e3Sthurlow };
784bff34e3Sthurlow typedef struct nbpcb nbpcb_t;
794bff34e3Sthurlow 
804bff34e3Sthurlow /*
814bff34e3Sthurlow  * Nominal space allocated per a NETBIOS socket.
824bff34e3Sthurlow  */
834bff34e3Sthurlow #define	NB_SNDQ		(10 * 1024)
844bff34e3Sthurlow #define	NB_RCVQ		(20 * 1024)
854bff34e3Sthurlow 
864bff34e3Sthurlow /*
874bff34e3Sthurlow  * TCP slowstart presents a problem in conjunction with large
884bff34e3Sthurlow  * reads.  To ensure a steady stream of ACKs while reading using
894bff34e3Sthurlow  * large transaction sizes, we call soreceive() with a smaller
904bff34e3Sthurlow  * buffer size.  See nbssn_recv().
914bff34e3Sthurlow  */
924bff34e3Sthurlow #define	NB_SORECEIVE_CHUNK	(8 * 1024)
934bff34e3Sthurlow 
944bff34e3Sthurlow #define	SMBSBTIMO 15 /* seconds for sockbuf timeouts */
954bff34e3Sthurlow 
964bff34e3Sthurlow #endif /* !_NETSMB_SMB_TRANTCP_H_ */
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