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23 Commits

Author SHA1 Message Date
Bill Fenner
4dde4205e1 First piece of fixing ppp/proxy arp problem: 
If an attempt to add a route fails because an "ARP table" entry is in
the way, remove the ARP entry and retry the add.

Reviewed by:	nate
 1996-01-23 05:15:30 +00:00
Garrett Wollman
ce29ab3ac6 Actually call in_rtqdrain()as was originally intended. 1995-12-19 20:46:15 +00:00
Garrett Wollman
b7a44e3486 Path MTU Discovery is now standard. 1995-12-05 17:46:50 +00:00
Bruce Evans
ce7609a49c Completed function declarations and/or added prototypes. 1995-12-02 19:38:06 +00:00
Poul-Henning Kamp
0312fbe97d New style sysctl & staticize alot of stuff. 1995-11-14 20:34:56 +00:00
Poul-Henning Kamp
98163b98dc Start adding new style sysctl here too. 1995-11-09 20:23:09 +00:00
Poul-Henning Kamp
a98ca4699e Second batch of cleanup changes. 
This time mostly making a lot of things static and some unused
variables here and there.
 1995-10-29 15:33:36 +00:00
Garrett Wollman
5cbf3e086c Initial back-end support for IP MTU discovery, gated on MTUDISC. The support 
for TCP has yet to be written.
 1995-09-18 15:51:40 +00:00
Garrett Wollman
dd22498271 tcp_input.c - keep track of how many times a route contained a cached rtt 
or ssthresh that we were able to use

tcp_var.h - declare tcpstat entries for above; declare tcp_{send,recv}space

in_rmx.c - fill in the MTU and pipe sizes with the defaults TCP would have
	used anyway in the absence of values here
 1995-07-10 15:39:16 +00:00
Garrett Wollman
43bed81d64 Fix an error in the comparison direction of the ap->updating case of 
in_rtqkill().

Submitted by: W. Richard Stevens
 1995-06-21 19:48:53 +00:00
Rodney W. Grimes
9b2e535452 Remove trailing whitespace. 1995-05-30 08:16:23 +00:00
David Greenman
edf8a81561 Removed redundant newlines that were in some panic strings. 1995-03-19 14:29:26 +00:00
David Greenman
38aa9fc375 Added missing newlines to calls to log(). 1995-02-20 15:48:46 +00:00
Garrett Wollman
628e3e3401 After dynamically reducing rtq_reallyold, have in_rtqkill() reduce the 
expiration timer of anything which would expire later than that.  (There
should be a way to call this from ip_sysctl() as well, but there currently
isn't.)
 1995-02-14 23:11:26 +00:00
Garrett Wollman
ea80aed1a9 Attempt to make the host route cache a bit smarter under conditions of 
high load:

	1) If there ever get to be more than net.inet.ip.rtmaxcache entries
	   in the cache, in_rtqtimo() will reduce net.inet.ip.rtexpire by
	   1/3 and do another round, unles net.inet.ip.rtexpire is less than
	   net.inet.ip.rtminexpire, and never more than once in ten minutes
	   (rtq_timeout).

	2) If net.inet.ip.rtexpire is set to zero, don't bother to cache
	   anything.
 1995-02-14 23:04:52 +00:00
Garrett Wollman
bbb7c7109b Change caching strategy somewhat: 
1) Don't clone routes to multicast destinations; there is nothing useful
   to be gained in this case.
2) Reduce default expiration timer to one hour.  Busy sites will still
   likely want to reduce this, but for ordinary users this is a reasonable
   value to use.
 1995-01-23 02:02:50 +00:00
Garrett Wollman
f811ab0233 Avoid a serious race by blocking netisrs while walking the route tree. 
(IWBRNI we could just block IP netisrs...)
 1994-12-21 17:25:52 +00:00
Garrett Wollman
31246bc25f Update calls to rtalloc1(). Also merge rt_prflags with rt_flags. 1994-12-13 22:32:45 +00:00
Garrett Wollman
114a506d1a Delete old, confusing comment. 1994-12-02 23:10:32 +00:00
Garrett Wollman
73579c400f Add a check to make sure that we don't fiddle with the NFS routing tables 
as well (bleah!).  Also, increase the interval to the real-life value and
eliminate debugging printfs.  This will be standard once tested by others.
 1994-12-02 03:32:24 +00:00
Garrett Wollman
fa1f0e90fb Add latest version of ``advanced route metric management'' :-) 
As before, this is currently conditionalized on options IN_RMX until
I'm sure it's working.
 1994-12-01 23:19:48 +00:00
Garrett Wollman
bb0135e920 Completely replace JTW's idea with my (incompletely implemented) original 
idea.  This is les likely to crash your machine.  As before, this code is only
enabled under `options IN_RMX'.
 1994-11-03 01:05:34 +00:00
Garrett Wollman
d4a8d8f240 This is the file that actually implements the smarter behavior. 1994-11-02 04:42:14 +00:00