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85 Commits

Author SHA1 Message Date
David Greenman
3dbdc25caa Move exact match pcb's to the head of the list to improve lookup 
performance.
 1995-03-02 19:29:42 +00:00
Ugen J.S. Antsilevich
29fe22b93f Allow "via" to be specified ever as IP adress or 
as interface name/unit...
 1995-02-24 14:33:54 +00:00
Bruce Evans
6f05a6e836 Fix benign type mismatch. 1995-02-22 07:23:26 +00:00
David Greenman
38aa9fc375 Added missing newlines to calls to log(). 1995-02-20 15:48:46 +00:00
Garrett Wollman
c7a82f9016 Include missing <sys/kernel.h> for `hz'. 
Submitted by:  David Greenman, Rod Grimes, Christoph Kukulies
 1995-02-17 00:29:42 +00:00
Garrett Wollman
cb04d5c55b Don't need to retransmit FIN bit in CLOSING state. 
Obtained from: Stevens, vol. 2, exercise 29.5 (solution p. 1090)
 1995-02-16 01:53:31 +00:00
Garrett Wollman
1c09f77422 spl back down in unusual out-of-memory condition in udp_output(). 
Obtained from: Stevens, vol. 2, exercise 23.4 (solution p. 1083)
 1995-02-16 01:47:36 +00:00
Garrett Wollman
1fdbc7ae46 Correctly initialize so_linger in ticks (not seconds). 
Obtained from: Stevens, vol. 2, p. 1010
 1995-02-16 01:42:45 +00:00
Garrett Wollman
dac2030182 Avoid deadlock situation described by Stevens using his suggested replacement 
code.

Obtained from: Stevens, vol. 2, pp. 959-960
 1995-02-16 01:39:19 +00:00
Garrett Wollman
9bb8795d71 Don't add back in the IP header length to ip_len; icmp_error will do it 
for us.

Obtained from: Stevens, vol. 2, p. 774
 1995-02-16 01:25:06 +00:00
Garrett Wollman
41f82abe5a Transaction TCP support now standard. Hack away! 1995-02-16 00:55:44 +00:00
Garrett Wollman
f2ea20e676 Add lots of useful MIB variables and a few not-so-useful ones for 
completeness.
 1995-02-16 00:27:47 +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
Poul-Henning Kamp
c70f45100d YFfix. 1995-02-14 06:28:25 +00:00
Poul-Henning Kamp
c178994d81 YPfix 1995-02-14 06:25:17 +00:00
Garrett Wollman
2f96f1f446 Get rid of some unneeded #ifdef TTCP lines. Also, get rid of some 
bogus commons declared in header files.
 1995-02-14 02:35:19 +00:00
Garrett Wollman
a0292f2375 Merge Transaction TCP, courtesy of Andras Olah <olah@cs.utwente.nl> and 
Bob Braden <braden@isi.edu>.

NB: This has not had David's TCP ACK hack re-integrated.  It is not clear
what the correct solution to this problem is, if any.  If a better solution
doesn't pop up in response to this message, I'll put David's code back in
(or he's welcome to do so himself).
 1995-02-09 23:13:27 +00:00
David Greenman
e99d026c60 Fixed another TTCP ifdef problem...there isn't any tcp_sysctl field in 
!TTCP.
 1995-02-09 00:56:09 +00:00
David Greenman
512ff5eaa0 Fix/#ifdef prototype for tcp_mss...apparantly overlooked by Garrett. 1995-02-09 00:49:20 +00:00
Garrett Wollman
999f1343a5 T/TCP changes to generic IP code. This is all ifdefed TTCP so should 
have no effect on most users for now.  (Eventually, once this code is
fully tested, the ifdefs will go away.)
 1995-02-08 20:22:09 +00:00
Garrett Wollman
eb6ad69646 Merge in T/TCP TCP header file changes. 1995-02-08 20:18:48 +00:00
Gary Palmer
6db216a6d7 Remove a possible loophole - previously the code wouldn't pass packets destined 
to the loopback address to the packet filter.

Reviewed by:	"Ugen J.S.Antsilevich" <ugen@netvision.net.il>
 1995-02-07 20:30:42 +00:00
Garrett Wollman
838ecf4225 Make sure to disable RSVP intercept when the socket is closed. 1995-02-07 02:53:14 +00:00
Garrett Wollman
479bb8da0e Correct long-standing error in the RSVP hooks (would initialize but never 
return success).
 1995-01-26 18:59:02 +00:00
Ugen J.S. Antsilevich
2b43c8c9db ip_fwdef.c was missing some assignments , and this 
caused that bug by which firewall code was not working
if configured into kernel and worked only as lkm.
Now this must be fixed...Sorry guys..
 1995-01-26 10:26:15 +00:00
David Greenman
8eea120788 Kill previous commit as it isn't necessary. 1995-01-26 03:56:20 +00:00
David Greenman
b99f012ec5 Extended the previous change to cover the non-options case, too. 1995-01-24 08:03:22 +00:00
David Greenman
297a37f334 Applied fix from Andreas Schulz with a different comment by me. Fixes a 
bug where TCP connections are closed prematurely.

Submitted by:	Andreas Schulz
 1995-01-23 17:58:27 +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
Ugen J.S. Antsilevich
4dd1662b4c Actual firewall change. 
1) Firewall is not subdivided on forwarding / blocking chains
   anymore.Actually only one chain left-it was the blocking one.
2) LKM support.ip_fwdef.c is function pointers definition and
goes into kernel along with all INET stuff.
 1995-01-12 13:06:32 +00:00
David Greenman
aedcdea1de Fixed mbuf lossage when level != IPPROTO_IP. Problem reported by Robert 
Dobbs, hint from Charles Hannum, fix by me.
 1995-01-12 10:53:25 +00:00
Garrett Wollman
b2774d00ad Make arp_rtrequest() static since nobody needs to referene it any more. 1994-12-22 22:00:30 +00:00
Garrett Wollman
dd2e410221 Move ARP interface initialization into if_ether.c:arp_ifinit(). 1994-12-22 21:56:22 +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
3c896bda76 Correct sysctl info so that net.inet.ip.rtexpire is actually accessible. 1994-12-21 17:23:59 +00:00
Garrett Wollman
9ee39fc64d Fix PR 59: don't allow TCP connections withmulticast addresses at either 
end.
 1994-12-15 20:39:34 +00:00
Garrett Wollman
5be2baf843 Make rtq_reallyold user-configurable via sysctl. 1994-12-14 19:06:37 +00:00
Garrett Wollman
2c17fe9339 Call rtalloc_ign() so that protocol cloning will not occur at the IP layer. 1994-12-13 23:08:12 +00:00
Garrett Wollman
31246bc25f Update calls to rtalloc1(). Also merge rt_prflags with rt_flags. 1994-12-13 22:32:45 +00:00
Ugen J.S. Antsilevich
3107b31b8d Add clear one accounting entry control. 
Structure fields changed to seem more standart.
 1994-12-13 15:57:34 +00:00
Ugen J.S. Antsilevich
f3caf95e23 Late patch for delete control.. 1994-12-12 18:10:41 +00:00
Ugen J.S. Antsilevich
10a642bb05 Add match by interface from which packet arrived (via) 
Handle right fragmented packets. Remove checking option
from kernel..
 1994-12-12 17:20:55 +00:00
Garrett Wollman
1db18e0fc4 Advanced route cache management is now an official part of IP support. 1994-12-11 21:36:10 +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
Ugen J.S. Antsilevich
c334f8666a Added: ICMP reply,TCP SYN check,logging.. 1994-11-28 12:35:14 +00:00
Jordan K. Hubbard
63f8d699ac Ugen J.S.Antsilevich's latest, happiest, IP firewall code. 
Poul:  Please take this into BETA.  It's non-intrusive, and a rather
substantial improvement over what was there before.
 1994-11-16 10:17:11 +00:00
Jordan K. Hubbard
dbdc296687 Ugen makes it in with 10 seconds to spare with a one-char diff. Some 
people are born lucky..
Submitted by:	ugen
 1994-11-08 14:25:17 +00:00