2c822c14c3
Receive packets in a small pieces (NB_SORECEIVE_CHUNK), so TCP slowstart will get its ACKs faster. Obtained from: Darwin
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* Copyright (c) 2000-2001, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETSMB_SMB_TRANTCP_H_
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#define _NETSMB_SMB_TRANTCP_H_
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#ifdef _KERNEL
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#ifdef NB_DEBUG
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#define NBDEBUG(format, args...) printf("%s(%d): "format, \
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__func__ , __LINE__ ,## args)
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#else
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#define NBDEBUG(format, args...)
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#endif
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enum nbstate {
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NBST_CLOSED,
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NBST_RQSENT,
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NBST_SESSION,
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NBST_RETARGET,
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NBST_REFUSED
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};
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/*
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* socket specific data
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*/
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struct nbpcb {
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struct smb_vc * nbp_vc;
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struct socket * nbp_tso; /* transport socket */
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struct sockaddr_nb *nbp_laddr; /* local address */
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struct sockaddr_nb *nbp_paddr; /* peer address */
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int nbp_flags;
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#define NBF_LOCADDR 0x0001 /* has local addr */
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#define NBF_CONNECTED 0x0002
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#define NBF_RECVLOCK 0x0004
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enum nbstate nbp_state;
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struct timespec nbp_timo;
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int nbp_sndbuf;
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int nbp_rcvbuf;
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void * nbp_selectid;
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/* LIST_ENTRY(nbpcb) nbp_link;*/
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};
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/*
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* Nominal space allocated per a NETBIOS socket.
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*/
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#define NB_SNDQ (64 * 1024)
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#define NB_RCVQ (64 * 1024)
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/*
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* TCP slowstart presents a problem in conjunction with large
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* reads. To ensure a steady stream of ACKs while reading using
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* large transaction sizes, we call soreceive() with a smaller
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* buffer size. See nbssn_recv().
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*/
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#define NB_SORECEIVE_CHUNK (8 * 1024)
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extern struct smb_tran_desc smb_tran_nbtcp_desc;
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#endif /* _KERNEL */
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#endif /* !_NETSMB_SMB_TRANTCP_H_ */
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