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_ */ 90