X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..2d21ac55c334faf3a56e5634905ed6987fc787d4:/bsd/netinet/tcp_timer.h?ds=inline diff --git a/bsd/netinet/tcp_timer.h b/bsd/netinet/tcp_timer.h index 9db67ce2b..ef29f41a3 100644 --- a/bsd/netinet/tcp_timer.h +++ b/bsd/netinet/tcp_timer.h @@ -1,14 +1,19 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -18,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1982, 1986, 1993 @@ -112,22 +117,23 @@ /* * Time constants. */ -#define TCPTV_MSL ( 30*PR_SLOWHZ) /* max seg lifetime (hah!) */ +#define TCPTV_MSL ( 15*TCP_RETRANSHZ) /* max seg lifetime (hah!) */ #define TCPTV_SRTTBASE 0 /* base roundtrip time; if 0, no idea yet */ -#define TCPTV_RTOBASE ( 3*PR_SLOWHZ) /* assumed RTO if no info */ -#define TCPTV_SRTTDFLT ( 3*PR_SLOWHZ) /* assumed RTT if no info */ +#define TCPTV_RTOBASE ( 1*TCP_RETRANSHZ) /* assumed RTO if no info */ +#define TCPTV_SRTTDFLT ( 1*TCP_RETRANSHZ) /* assumed RTT if no info */ -#define TCPTV_PERSMIN ( 5*PR_SLOWHZ) /* retransmit persistence */ -#define TCPTV_PERSMAX ( 60*PR_SLOWHZ) /* maximum persist interval */ +#define TCPTV_PERSMIN ( 5*TCP_RETRANSHZ) /* retransmit persistence */ +#define TCPTV_PERSMAX ( 60*TCP_RETRANSHZ) /* maximum persist interval */ -#define TCPTV_KEEP_INIT ( 75*PR_SLOWHZ) /* initial connect keep alive */ -#define TCPTV_KEEP_IDLE (120*60*PR_SLOWHZ) /* dflt time before probing */ -#define TCPTV_KEEPINTVL ( 75*PR_SLOWHZ) /* default probe interval */ +#define TCPTV_KEEP_INIT ( 75*TCP_RETRANSHZ) /* initial connect keep alive */ +#define TCPTV_KEEP_IDLE (120*60*TCP_RETRANSHZ) /* dflt time before probing */ +#define TCPTV_KEEPINTVL ( 75*TCP_RETRANSHZ) /* default probe interval */ #define TCPTV_KEEPCNT 8 /* max probes before drop */ -#define TCPTV_MIN ( 1*PR_SLOWHZ) /* minimum allowable value */ -#define TCPTV_REXMTMAX ( 64*PR_SLOWHZ) /* max allowable REXMT value */ +//#define TCPTV_MIN ( 3*TCP_RETRANSHZ) /* minimum allowable value */ +#define TCPTV_MIN (1) /* minimum allowable value */ +#define TCPTV_REXMTMAX ( 64*TCP_RETRANSHZ) /* max allowable REXMT value */ #define TCPTV_TWTRUNC 8 /* RTO factor to truncate TW */ @@ -135,8 +141,6 @@ #define TCP_MAXRXTSHIFT 12 /* maximum retransmits */ -#define TCPTV_DELACK PR_FASTHZ /* 125ms timeout */ - #ifdef TCPTIMERS static char *tcptimers[] = { "REXMT", "PERSIST", "KEEP", "2MSL" }; @@ -162,7 +166,6 @@ extern int tcp_keepinit; /* time to establish connection */ extern int tcp_keepidle; /* time before keepalive probes begin */ extern int tcp_keepintvl; /* time between keepalive probes */ extern int tcp_maxidle; /* time to drop after starting probes */ -extern int tcp_delacktime; /* time before sending a delayed ACK */ extern int tcp_maxpersistidle; extern int tcp_msl; extern int tcp_ttl; /* time to live for TCP segs */