sys/netsmb/smb_trantcp.h

   1 /*      $NetBSD: smb_trantcp.h,v 1.5 2005/12/11 00:06:21 elad 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
  51 enum 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  */
  63 struct 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 used for send/receive. XXX Sysctl this?
  86  */
  87 #define NB_SNDTIMEO     (5 * hz)
  88 #define NB_RCVTIMEO     (5 * hz)
  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
  98 extern struct smb_tran_desc smb_tran_nbtcp_desc;
  99
 100 #endif /* _KERNEL */
 101
 102 #endif /* !_NETSMB_SMB_TRANTCP_H_ */