xnu-792.6.70.tar.gz

[apple/xnu.git] / bsd / netinet / tcp_timer.h

diff --git a/bsd/netinet/tcp_timer.h b/bsd/netinet/tcp_timer.h
index a8f55353c0a7f87602310f08cea55d9b664b02d2..e4979a07864510f2eb961762bed781b1e31ba439 100644 (file)
--- a/bsd/netinet/tcp_timer.h
+++ b/bsd/netinet/tcp_timer.h
@@ -106,10 +106,11 @@
  * amount of time probing, then we drop the connection.
  */
 
+#ifdef PRIVATE
+
 /*
  * Time constants.
  */
-#ifdef __APPLE_API_PRIVATE
 #define        TCPTV_MSL       ( 30*PR_SLOWHZ)         /* max seg lifetime (hah!) */
 #define        TCPTV_SRTTBASE  0                       /* base roundtrip time;
                                                   if 0, no idea yet */
@@ -140,6 +141,7 @@ static char *tcptimers[] =
     { "REXMT", "PERSIST", "KEEP", "2MSL" };
 #endif
 
+#ifdef KERNEL
 /*
  * Force a time value to be in a certain range.
  */
@@ -151,7 +153,10 @@ static char *tcptimers[] =
                (tv) = (tvmax); \
 } while(0)
 
-#ifdef KERNEL
+#define TCP_KEEPIDLE(tp) \
+       (tp->t_keepidle && (tp->t_inpcb->inp_socket->so_options & SO_KEEPALIVE) ? \
+               tp->t_keepidle : tcp_keepidle)
+
 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 */
@@ -162,13 +167,13 @@ extern int tcp_msl;
 extern int tcp_ttl;                    /* time to live for TCP segs */
 extern int tcp_backoff[];
 
-void   tcp_timer_2msl __P((void *xtp));
-void   tcp_timer_keep __P((void *xtp));
-void   tcp_timer_persist __P((void *xtp));
-void   tcp_timer_rexmt __P((void *xtp));
-void   tcp_timer_delack __P((void *xtp));
+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 /* __APPLE_API_PRIVATE */
-
+#endif /* PRIVATE */
 #endif /* !_NETINET_TCP_TIMER_H_ */
+