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FreeBSD/Linux Kernel Cross Reference
sys/netsmb/smb_trantcp.h

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    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  * $FreeBSD$
   33  */
   34 #ifndef _NETSMB_SMB_TRANTCP_H_
   35 #define _NETSMB_SMB_TRANTCP_H_
   36 
   37 #ifdef _KERNEL
   38 
   39 #ifdef NB_DEBUG
   40 #define NBDEBUG(format, args...)         printf("%s(%d): "format,       \
   41                                             __func__ , __LINE__ ,## args)
   42 #else
   43 #define NBDEBUG(format, args...)
   44 #endif
   45 
   46 enum nbstate {
   47         NBST_CLOSED,
   48         NBST_RQSENT,
   49         NBST_SESSION,
   50         NBST_RETARGET,
   51         NBST_REFUSED
   52 };
   53 
   54 
   55 /*
   56  * socket specific data
   57  */
   58 struct nbpcb {
   59         struct smb_vc * nbp_vc;
   60         struct socket * nbp_tso;        /* transport socket */
   61         struct sockaddr_nb *nbp_laddr;  /* local address */
   62         struct sockaddr_nb *nbp_paddr;  /* peer address */
   63 
   64         int             nbp_flags;
   65 #define NBF_LOCADDR     0x0001          /* has local addr */
   66 #define NBF_CONNECTED   0x0002
   67 #define NBF_RECVLOCK    0x0004
   68 
   69         enum nbstate    nbp_state;
   70         struct timespec nbp_timo;
   71         int             nbp_sndbuf;
   72         int             nbp_rcvbuf;
   73         void *          nbp_selectid;
   74 
   75 /*      LIST_ENTRY(nbpcb) nbp_link;*/
   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  * TCP slowstart presents a problem in conjunction with large
   86  * reads.  To ensure a steady stream of ACKs while reading using
   87  * large transaction sizes, we call soreceive() with a smaller
   88  * buffer size.  See nbssn_recv().
   89  */
   90 #define NB_SORECEIVE_CHUNK      (8 * 1024)
   91 
   92 extern struct smb_tran_desc smb_tran_nbtcp_desc;
   93 
   94 #endif /* _KERNEL */
   95 
   96 #endif /* !_NETSMB_SMB_TRANTCP_H_ */

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