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thorpej f9463514bf Implement Congestion Window Monitoring as described in the TCPIMPL 
meeting of IETF #41 by Amy Hughes <ahughes@isi.edu>, and in an upcoming
internet draft from Hughes, Touch, and Heidemann.

CWM eliminates line-rate bursts after idle periods by counting pending
(unacknowledged) packets and limiting the congestion window to the
initial congestion window plus the pending packet count.  This has the
effect of allowing us to use the window as long as we continue to transmit,
but as soon as we stop transmitting, we go back to a slow-start (also known
as `use it or lose it').

This is not enabled by default.  You can enable this behavior by patching
the "tcp_cwm" global (set it to non-zero) or by building a kernel with the
TCP_CWM option.
 		1998-04-01 22:15:52 +00:00
..
fil.c fix checksum problems (from marc boucher via darren reed). 1997-11-17 14:33:46 +00:00
icmp_var.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
if_arp.c Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
if_atm.c backout previous kprintf changes 1996-10-13 02:03:00 +00:00
if_atm.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
if_ether.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
if_inarp.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
igmp.c Change list of interface IP addresses to a hash. Improves performance on hosts with a large number of IP addresses significantly. 1998-02-13 18:21:38 +00:00
igmp.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
igmp_var.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
in.c Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
in.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
in_cksum.c backout previous kprintf changes 1996-10-13 02:03:00 +00:00
in_pcb.c Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
in_pcb.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
in_proto.c Use option header file for MROUTING 1998-01-12 03:02:48 +00:00
in_systm.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
in_var.h Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
ip.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_auth.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_auth.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_compat.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_fil.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_fil.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_frag.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_frag.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_ftp_pxy.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_icmp.c Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
ip_icmp.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_input.c convert pfil(9) in and out lists from <sys/queue.h> LISTs to TAILQs, and 1998-03-19 15:45:30 +00:00
ip_log.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_mroute.c add flags arg to hashinit(), to pass to malloc(). 1998-02-07 02:44:44 +00:00
ip_mroute.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_nat.c Change from IP-Filter 3.2.3: avoid infinite loop in nat_new() when 1998-03-29 22:56:00 +00:00
ip_nat.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_output.c Ensure that we take the IP option length into account when we calculate 1998-03-24 03:10:02 +00:00
ip_proxy.c don't free pointer to static struct. please pullup. 1997-11-28 00:46:39 +00:00
ip_proxy.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_state.c merge ip-filter 3.2.1 1997-11-14 12:40:06 +00:00
ip_state.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
ip_var.h Ensure that we take the IP option length into account when we calculate 1998-03-24 03:10:02 +00:00
raw_ip.c Use option header file for MROUTING 1998-01-12 03:02:48 +00:00
tcp.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
tcp_debug.c backout previous kprintf change 1996-10-13 16:50:51 +00:00
tcp_debug.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
tcp_fsm.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
tcp_input.c Back out a change made some time ago, that would cause the NetBSD TCP 1998-03-31 23:44:09 +00:00
tcp_output.c Implement Congestion Window Monitoring as described in the TCPIMPL 1998-04-01 22:15:52 +00:00
tcp_seq.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
tcp_subr.c Fix a potential-congestion case in the larger initial congestion window 1998-03-31 22:49:09 +00:00
tcp_timer.c Fix a potential-congestion case in the larger initial congestion window 1998-03-31 22:49:09 +00:00
tcp_timer.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
tcp_usrreq.c Update copyright (sigh, should have done this long ago). 1998-02-19 02:36:42 +00:00
tcp_var.h Fix a potential-congestion case in the larger initial congestion window 1998-03-31 22:49:09 +00:00
tcpip.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
udp.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00
udp_usrreq.c Finishing merging 4.4BSD-Lite2 netinet. At this point, the only changes 1998-01-05 10:31:44 +00:00
udp_var.h add/cleanup multiple inclusion protection. 1998-02-10 01:26:19 +00:00