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87 Commits

Author SHA1 Message Date
dg
2fed68467b Move exact match pcb's to the head of the list to improve lookup 
performance.
 1995-03-02 19:29:42 +00:00
ugen
7ef3525e29 Allow "via" to be specified ever as IP adress or 
as interface name/unit...
 1995-02-24 14:33:54 +00:00
bde
a1c965a8b5 Fix benign type mismatch. 1995-02-22 07:23:26 +00:00
dg
2e01b70346 Added missing newlines to calls to log(). 1995-02-20 15:48:46 +00:00
wollman
cb466c876c Include missing <sys/kernel.h> for `hz'. 
Submitted by:  David Greenman, Rod Grimes, Christoph Kukulies
 1995-02-17 00:29:42 +00:00
wollman
fa9ba11c33 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
wollman
b834398cc6 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
wollman
a5efc62126 Correctly initialize so_linger in ticks (not seconds). 
Obtained from: Stevens, vol. 2, p. 1010
 1995-02-16 01:42:45 +00:00
wollman
fb4135032a 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
wollman
021dfc17d7 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
wollman
0f1c96e359 Transaction TCP support now standard. Hack away! 1995-02-16 00:55:44 +00:00
wollman
d9804d3f5c Add lots of useful MIB variables and a few not-so-useful ones for 
completeness.
 1995-02-16 00:27:47 +00:00
wollman
5ec42e3963 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
wollman
e3defa4503 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
phk
832a9eda23 YFfix. 1995-02-14 06:28:25 +00:00
phk
448a078f6e YPfix 1995-02-14 06:25:17 +00:00
wollman
58747a5507 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
wollman
72af2aa44a 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
dg
79e7847479 Fixed another TTCP ifdef problem...there isn't any tcp_sysctl field in 
!TTCP.
 1995-02-09 00:56:09 +00:00
dg
6ca0e1e381 Fix/#ifdef prototype for tcp_mss...apparantly overlooked by Garrett. 1995-02-09 00:49:20 +00:00
wollman
97873f1113 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
wollman
25cedbd345 Merge in T/TCP TCP header file changes. 1995-02-08 20:18:48 +00:00
gpalmer
8e0d212fc2 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
wollman
d963f7f61f Make sure to disable RSVP intercept when the socket is closed. 1995-02-07 02:53:14 +00:00
wollman
043393d8b8 Correct long-standing error in the RSVP hooks (would initialize but never 
return success).
 1995-01-26 18:59:02 +00:00
ugen
ba39702411 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
dg
66f518c22e Kill previous commit as it isn't necessary. 1995-01-26 03:56:20 +00:00
dg
14991e48cf Extended the previous change to cover the non-options case, too. 1995-01-24 08:03:22 +00:00
dg
b9115b6cb8 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
wollman
07d192a9fb 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
dd3cca2bda 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
dg
596e11c208 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
wollman
cb6f19622f Make arp_rtrequest() static since nobody needs to referene it any more. 1994-12-22 22:00:30 +00:00
wollman
e6ec63204f Move ARP interface initialization into if_ether.c:arp_ifinit(). 1994-12-22 21:56:22 +00:00
wollman
408291338b 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
wollman
fc1509a009 Correct sysctl info so that net.inet.ip.rtexpire is actually accessible. 1994-12-21 17:23:59 +00:00
wollman
d7b829d989 Fix PR 59: don't allow TCP connections withmulticast addresses at either 
end.
 1994-12-15 20:39:34 +00:00
wollman
17700af9e7 Make rtq_reallyold user-configurable via sysctl. 1994-12-14 19:06:37 +00:00
wollman
64047b0829 Call rtalloc_ign() so that protocol cloning will not occur at the IP layer. 1994-12-13 23:08:12 +00:00
wollman
10cd28c622 Update calls to rtalloc1(). Also merge rt_prflags with rt_flags. 1994-12-13 22:32:45 +00:00
ugen
a10269c105 Add clear one accounting entry control. 
Structure fields changed to seem more standart.
 1994-12-13 15:57:34 +00:00
ugen
cc4646f030 Late patch for delete control.. 1994-12-12 18:10:41 +00:00
ugen
dd9e9b49e3 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
wollman
139bfd799e Advanced route cache management is now an official part of IP support. 1994-12-11 21:36:10 +00:00
wollman
7677602dc2 Delete old, confusing comment. 1994-12-02 23:10:32 +00:00
wollman
f41e70adc3 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
wollman
098465c845 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
f625842f61 Added: ICMP reply,TCP SYN check,logging.. 1994-11-28 12:35:14 +00:00
jkh
e8b4c66232 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
jkh
f8f6e0f3d0 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