diff -ru linux-2.4.16-cut-tcp_rto/include/linux/sysctl.h linux-2.4.16c/include/linux/sysctl.h
--- linux-2.4.16-cut-tcp_rto/include/linux/sysctl.h	Mon Dec  3 17:27:26 2001
+++ linux-2.4.16c/include/linux/sysctl.h	Tue Nov 27 02:01:14 2001
@@ -289,7 +289,8 @@
 	NET_TCP_ADV_WIN_SCALE=87,
 	NET_IPV4_NONLOCAL_BIND=88,
 	NET_IPV4_ICMP_RATELIMIT=89,
-	NET_IPV4_ICMP_RATEMASK=90
+	NET_IPV4_ICMP_RATEMASK=90,
+	NET_TCP_RTO_MAX=91,
 };
 
 enum {
diff -ru linux-2.4.16-cut-tcp_rto/include/net/tcp.h linux-2.4.16c/include/net/tcp.h
--- linux-2.4.16-cut-tcp_rto/include/net/tcp.h	Wed Oct 17 21:09:41 2001
+++ linux-2.4.16c/include/net/tcp.h	Tue Nov 27 02:12:29 2001
@@ -331,7 +331,8 @@
 #define TCP_DELACK_MIN	4U
 #define TCP_ATO_MIN	4U
 #endif
-#define TCP_RTO_MAX	((unsigned)(120*HZ))
+#define TCP_RTO_MAX_init	((unsigned)(120*HZ))
+extern unsigned TCP_RTO_MAX;
 #define TCP_RTO_MIN	((unsigned)(HZ/5))
 #define TCP_TIMEOUT_INIT ((unsigned)(3*HZ))	/* RFC 1122 initial RTO value	*/
 
diff -ru linux-2.4.16-cut-tcp_rto/net/ipv4/Makefile linux-2.4.16c/net/ipv4/Makefile
--- linux-2.4.16-cut-tcp_rto/net/ipv4/Makefile	Sun Nov 11 17:56:25 2001
+++ linux-2.4.16c/net/ipv4/Makefile	Mon Dec  3 17:20:49 2001
@@ -9,7 +9,7 @@
 
 O_TARGET := ipv4.o
 
-export-objs = ipip.o ip_gre.o
+export-objs = ipip.o ip_gre.o tcp_timer.o
 
 obj-y     := utils.o route.o inetpeer.o proc.o protocol.o \
 	     ip_input.o ip_fragment.o ip_forward.o ip_options.o \
diff -ru linux-2.4.16-cut-tcp_rto/net/ipv4/sysctl_net_ipv4.c linux-2.4.16c/net/ipv4/sysctl_net_ipv4.c
--- linux-2.4.16-cut-tcp_rto/net/ipv4/sysctl_net_ipv4.c	Sun Nov 11 17:56:25 2001
+++ linux-2.4.16c/net/ipv4/sysctl_net_ipv4.c	Fri Nov 16 23:24:32 2001
@@ -219,6 +219,8 @@
 	 &sysctl_icmp_ratelimit, sizeof(int), 0644, NULL, &proc_dointvec},
 	{NET_IPV4_ICMP_RATEMASK, "icmp_ratemask",
 	 &sysctl_icmp_ratemask, sizeof(int), 0644, NULL, &proc_dointvec},
+	{NET_TCP_RTO_MAX, "tcp_rto_max",
+	 &TCP_RTO_MAX, sizeof(unsigned), 0644, NULL, &proc_dointvec},
 	{0}
 };
 
diff -ru linux-2.4.16-cut-tcp_rto/net/ipv4/tcp_timer.c linux-2.4.16c/net/ipv4/tcp_timer.c
--- linux-2.4.16-cut-tcp_rto/net/ipv4/tcp_timer.c	Wed Oct 17 21:09:42 2001
+++ linux-2.4.16c/net/ipv4/tcp_timer.c	Mon Dec  3 17:21:52 2001
@@ -21,6 +21,7 @@
  */
 
 #include <net/tcp.h>
+#include <linux/module.h>
 
 int sysctl_tcp_syn_retries = TCP_SYN_RETRIES; 
 int sysctl_tcp_synack_retries = TCP_SYNACK_RETRIES; 
@@ -30,6 +31,8 @@
 int sysctl_tcp_retries1 = TCP_RETR1;
 int sysctl_tcp_retries2 = TCP_RETR2;
 int sysctl_tcp_orphan_retries;
+unsigned TCP_RTO_MAX = TCP_RTO_MAX_init;
+EXPORT_SYMBOL(TCP_RTO_MAX);
 
 static void tcp_write_timer(unsigned long);
 static void tcp_delack_timer(unsigned long);