1 /* 2 * Copyright (c) 2000-2001, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: smb_trantcp.h,v 1.8 2004/08/03 23:50:01 lindak Exp $ 33 */ 34 /* 35 * Copyright 2018 Nexenta Systems, Inc. All rights reserved. 36 */ 37 #ifndef _NETSMB_SMB_TRANTCP_H_ 38 #define _NETSMB_SMB_TRANTCP_H_ 39 40 enum nbstate { 41 NBST_CLOSED, 42 NBST_IDLE, 43 NBST_RQSENT, 44 NBST_SESSION, 45 NBST_RETARGET, 46 NBST_REFUSED 47 }; 48 49 50 /* 51 * socket specific data 52 */ 53 struct nbpcb { 54 struct smb_vc *nbp_vc; 55 struct tiuser *nbp_tiptr; /* KTLI transport handle... */ 56 mblk_t *nbp_frag; /* left-over from last recv */ 57 58 struct sockaddr_nb *nbp_laddr; /* local address */ 59 struct sockaddr_nb *nbp_paddr; /* peer address */ 60 void *nbp_selectid; 61 cred_t *nbp_cred; 62 63 int nbp_flags; 64 #define NBF_LOCADDR 0x0001 /* has local addr */ 65 #define NBF_CONNECTED 0x0002 66 #define NBF_RECVLOCK 0x0004 67 #define NBF_SENDLOCK 0x0008 68 #define NBF_LOCKWAIT 0x0010 69 70 ushort_t nbp_fmode; 71 enum nbstate nbp_state; 72 struct timespec nbp_timo; 73 int nbp_sndbuf; 74 int nbp_rcvbuf; 75 kmutex_t nbp_lock; 76 kcondvar_t nbp_cv; 77 }; 78 typedef struct nbpcb nbpcb_t; 79 80 /* 81 * Nominal space allocated per a NETBIOS socket. 82 */ 83 #define NB_SNDQ (10 * 1024) 84 #define NB_RCVQ (20 * 1024) 85 86 /* 87 * TCP slowstart presents a problem in conjunction with large 88 * reads. To ensure a steady stream of ACKs while reading using 89 * large transaction sizes, we call soreceive() with a smaller 90 * buffer size. See nbssn_recv(). 91 */ 92 #define NB_SORECEIVE_CHUNK (8 * 1024) 93 94 #define SMBSBTIMO 15 /* seconds for sockbuf timeouts */ 95 96 #endif /* !_NETSMB_SMB_TRANTCP_H_ */ 97