/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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
* SUCH DAMAGE.
*
* @(#)tcp_timer.h 8.1 (Berkeley) 6/10/93
+ * $FreeBSD: src/sys/netinet/tcp_timer.h,v 1.18 1999/12/29 04:41:03 peter Exp $
*/
#ifndef _NETINET_TCP_TIMER_H_
#define _NETINET_TCP_TIMER_H_
+#include <sys/appleapiopts.h>
/*
* Definitions of the TCP timers. These timers are counted
* amount of time probing, then we drop the connection.
*/
+#ifdef PRIVATE
+
/*
* 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 */
{ "REXMT", "PERSIST", "KEEP", "2MSL" };
#endif
+#ifdef KERNEL
/*
* Force a time value to be in a certain range.
*/
-#define TCPT_RANGESET(tv, value, tvmin, tvmax) { \
+#define TCPT_RANGESET(tv, value, tvmin, tvmax) do { \
(tv) = (value); \
if ((u_long)(tv) < (u_long)(tvmin)) \
(tv) = (tvmin); \
else if ((u_long)(tv) > (u_long)(tvmax)) \
(tv) = (tvmax); \
-}
+} while(0)
+
+#define TCP_KEEPIDLE(tp) \
+ (tp->t_keepidle && (tp->t_inpcb->inp_socket->so_options & SO_KEEPALIVE) ? \
+ tp->t_keepidle : tcp_keepidle)
-#ifdef KERNEL
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_maxpersistidle;
+extern int tcp_msl;
extern int tcp_ttl; /* time to live for TCP segs */
extern int tcp_backoff[];
-#endif
-#endif
+void tcp_timer_2msl(void *xtp);
+void tcp_timer_keep(void *xtp);
+void tcp_timer_persist(void *xtp);
+void tcp_timer_rexmt(void *xtp);
+void tcp_timer_delack(void *xtp);
+
+#endif /* KERNEL */
+#endif /* PRIVATE */
+#endif /* !_NETINET_TCP_TIMER_H_ */
+
projects / apple / xnu.git / blobdiff