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6007
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1 /*
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2 * Copyright (c) 2000-2001, Boris Popov
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 * 3. All advertising materials mentioning features or use of this software
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14 * must display the following acknowledgement:
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15 * This product includes software developed by Boris Popov.
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16 * 4. Neither the name of the author nor the names of any co-contributors
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17 * may be used to endorse or promote products derived from this software
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18 * without specific prior written permission.
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19 *
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20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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30 * SUCH DAMAGE.
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31 *
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32 * $Id: smb_trantcp.h,v 1.8 2004/08/03 23:50:01 lindak Exp $
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33 */
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13595
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34 /*
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35 * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
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36 */
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6007
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37 #ifndef _NETSMB_SMB_TRANTCP_H_
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38 #define _NETSMB_SMB_TRANTCP_H_
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39
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40 enum nbstate {
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41 NBST_CLOSED,
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42 NBST_RQSENT,
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43 NBST_SESSION,
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44 NBST_RETARGET,
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45 NBST_REFUSED
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46 };
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47
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48
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49 /*
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50 * socket specific data
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51 */
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52 struct nbpcb {
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53 struct smb_vc *nbp_vc;
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54 struct tiuser *nbp_tiptr; /* KTLI transport handle... */
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55 mblk_t *nbp_frag; /* left-over from last recv */
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56
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57 struct sockaddr_nb *nbp_laddr; /* local address */
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58 struct sockaddr_nb *nbp_paddr; /* peer address */
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13595
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59 void *nbp_selectid;
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60 cred_t *nbp_cred;
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6007
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61
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62 int nbp_flags;
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63 #define NBF_LOCADDR 0x0001 /* has local addr */
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64 #define NBF_CONNECTED 0x0002
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65 #define NBF_RECVLOCK 0x0004
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13595
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66 #define NBF_SENDLOCK 0x0008
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67 #define NBF_LOCKWAIT 0x0010
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6007
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68
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13595
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69 ushort_t nbp_fmode;
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6007
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70 enum nbstate nbp_state;
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71 struct timespec nbp_timo;
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72 int nbp_sndbuf;
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73 int nbp_rcvbuf;
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74 kmutex_t nbp_lock;
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13595
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75 kcondvar_t nbp_cv;
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6007
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76 };
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77 typedef struct nbpcb nbpcb_t;
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78
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79 /*
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80 * Nominal space allocated per a NETBIOS socket.
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81 */
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82 #define NB_SNDQ (10 * 1024)
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83 #define NB_RCVQ (20 * 1024)
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84
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85 /*
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86 * TCP slowstart presents a problem in conjunction with large
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87 * reads. To ensure a steady stream of ACKs while reading using
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88 * large transaction sizes, we call soreceive() with a smaller
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89 * buffer size. See nbssn_recv().
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90 */
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91 #define NB_SORECEIVE_CHUNK (8 * 1024)
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92
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93 #define SMBSBTIMO 15 /* seconds for sockbuf timeouts */
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94
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95 #endif /* !_NETSMB_SMB_TRANTCP_H_ */
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