mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-13 10:02:38 +00:00
3c30400408
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
/*
|
|
* Copyright (c) 2000-2001, Boris Popov
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Boris Popov.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _NETSMB_SMB_TRANTCP_H_
|
|
#define _NETSMB_SMB_TRANTCP_H_
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#ifdef NB_DEBUG
|
|
#define NBDEBUG(format, args...) printf("%s(%d): "format, \
|
|
__func__ , __LINE__ ,## args)
|
|
#else
|
|
#define NBDEBUG(format, args...)
|
|
#endif
|
|
|
|
enum nbstate {
|
|
NBST_CLOSED,
|
|
NBST_RQSENT,
|
|
NBST_SESSION,
|
|
NBST_RETARGET,
|
|
NBST_REFUSED
|
|
};
|
|
|
|
|
|
/*
|
|
* socket specific data
|
|
*/
|
|
struct nbpcb {
|
|
struct smb_vc * nbp_vc;
|
|
struct socket * nbp_tso; /* transport socket */
|
|
struct sockaddr_nb *nbp_laddr; /* local address */
|
|
struct sockaddr_nb *nbp_paddr; /* peer address */
|
|
|
|
int nbp_flags;
|
|
#define NBF_LOCADDR 0x0001 /* has local addr */
|
|
#define NBF_CONNECTED 0x0002
|
|
#define NBF_RECVLOCK 0x0004
|
|
|
|
enum nbstate nbp_state;
|
|
struct timespec nbp_timo;
|
|
int nbp_sndbuf;
|
|
int nbp_rcvbuf;
|
|
void * nbp_selectid;
|
|
|
|
/* LIST_ENTRY(nbpcb) nbp_link;*/
|
|
};
|
|
|
|
/*
|
|
* Nominal space allocated per a NETBIOS socket.
|
|
*/
|
|
#define NB_SNDQ (64 * 1024)
|
|
#define NB_RCVQ (64 * 1024)
|
|
|
|
/*
|
|
* TCP slowstart presents a problem in conjunction with large
|
|
* reads. To ensure a steady stream of ACKs while reading using
|
|
* large transaction sizes, we call soreceive() with a smaller
|
|
* buffer size. See nbssn_recv().
|
|
*/
|
|
#define NB_SORECEIVE_CHUNK (8 * 1024)
|
|
|
|
extern struct smb_tran_desc smb_tran_nbtcp_desc;
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_NETSMB_SMB_TRANTCP_H_ */
|