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Change the default state of two tunables; bring our TCP a little bit 

closer to normal behaviour for the current century.

New Reno is now on by default (which is really the only reasonable
choice, since we don't do SACK); instead of an initial window of 1
for non-local nets, we now use Sally Floyd's magic 4K rule.
This commit is contained in:
tls 2004-04-22 02:19:39 +00:00
parent 2a4c071a4f
commit 7eb2f214d5
1 changed files with 4 additions and 4 deletions
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8
sys/netinet/tcp_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_subr.c,v 1.163 2004/04/20 16:52:12 itojun Exp $ */
/* $NetBSD: tcp_subr.c,v 1.164 2004/04/22 02:19:39 tls Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -98,7 +98,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_subr.c,v 1.163 2004/04/20 16:52:12 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: tcp_subr.c,v 1.164 2004/04/22 02:19:39 tls Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -179,10 +179,10 @@ int tcp_do_rfc1948 = 0; /* ISS by cryptographic hash */
int tcp_do_sack = 1; /* selective acknowledgement */
int tcp_do_win_scale = 1; /* RFC1323 window scaling */
int tcp_do_timestamps = 1; /* RFC1323 timestamps */
int tcp_do_newreno = 0; /* Use the New Reno algorithms */
int tcp_do_newreno = 1; /* Use the New Reno algorithms */
int tcp_ack_on_push = 0; /* set to enable immediate ACK-on-PUSH */
#ifndef TCP_INIT_WIN
#define TCP_INIT_WIN 1 /* initial slow start window */
#define TCP_INIT_WIN 0 /* initial slow start window */
#endif
#ifndef TCP_INIT_WIN_LOCAL
#define TCP_INIT_WIN_LOCAL 4 /* initial slow start window for local nets */