sys/netsmb/smb_trantcp.h

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   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  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  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  * socket specific data
  50  */
  51 struct nbpcb {
  52         struct smb_vc * nbp_vc;
  53         struct socket * nbp_tso;        /* transport socket */
  54         struct sockaddr_nb *nbp_laddr;  /* local address */
  55         struct sockaddr_nb *nbp_paddr;  /* peer address */
  56
  57         int             nbp_flags;
  58 #define NBF_LOCADDR     0x0001          /* has local addr */
  59 #define NBF_CONNECTED   0x0002
  60 #define NBF_RECVLOCK    0x0004
  61
  62         enum nbstate    nbp_state;
  63         struct timespec nbp_timo;
  64         int             nbp_sndbuf;
  65         int             nbp_rcvbuf;
  66         void *          nbp_selectid;
  67
  68 /*      LIST_ENTRY(nbpcb) nbp_link;*/
  69 };
  70
  71 /*
  72  * Nominal space allocated per a NETBIOS socket.
  73  */
  74 #define NB_SNDQ         (64 * 1024)
  75 #define NB_RCVQ         (64 * 1024)
  76
  77 /*
  78  * TCP slowstart presents a problem in conjunction with large
  79  * reads.  To ensure a steady stream of ACKs while reading using
  80  * large transaction sizes, we call soreceive() with a smaller
  81  * buffer size.  See nbssn_recv().
  82  */
  83 #define NB_SORECEIVE_CHUNK      (8 * 1024)
  84
  85 extern struct smb_tran_desc smb_tran_nbtcp_desc;
  86
  87 #endif /* _KERNEL */
  88
  89 #endif /* !_NETSMB_SMB_TRANTCP_H_ */