| 1 | /* $NetBSD: smb_trantcp.h,v 1.7 2014/04/25 15:52:45 pooka 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 (s) used for send/receive. XXX Sysctl this? |
| 86 | */ |
| 87 | #define NB_SNDTIMEO (5) |
| 88 | #define NB_RCVTIMEO (5) |
| 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_ */ |
| 103 | |