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475 Commits

Author SHA1 Message Date
lukem a1ea50ee45 * in_pcblookup_port(): deprecate INPLOOKUP_WILDCARD and flags in favour 
of a lookup_wildcard arg; simplifies the logic a bit.
* when assigning ephemeral ports in in_pcbbind(), always call
  in_pcblookup_port() with lookup_wildcard=1, so that ephemeral port
  allocation on sockets with SO_REUSEADDR set won't potentially bind to a
  port in use by something else (principle of least surprise).
 1998-10-05 14:33:14 +00:00
matt 25054b5cf7 Adapt the NEWRENO changes from the UCSB diffs of BSDI 3.0's TCP 
to NetBSD.  Ignore the SACK & FACK stuff for now.
 1998-10-04 21:33:52 +00:00
kleink c68106edad Use #error instead of causing a parse error. 1998-10-02 21:21:04 +00:00
drochner 5ddf423985 print reason for arplookup() failure (ala FreeBSD) 1998-10-01 11:04:24 +00:00
tls c4730d65cf Switch order of TNF and UCB copyrights so UCB copyright is first; this seems more appropriate since UCB wrote the original code, after all. 1998-09-30 21:52:24 +00:00
hwr eaccb9cd8d Start supporting IPPROTO_MOBILE (55) encapsulation. This is yet 
another tunneling protocol used by the Mobile-IP people. See RFC 2004
for this.
 1998-09-30 05:59:27 +00:00
christos e74ca32804 SIOCGIFALIAS should not be restricted to the superuser. 1998-09-28 12:32:43 +00:00
mycroft 4a000a54e6 Fix a typo (not mine) in a comment. 1998-09-19 04:34:34 +00:00
mycroft 04ef3bf88d If we're in LISTEN state and all of RST, SYN and ACK are clear, send a RST. 1998-09-19 04:32:51 +00:00
mycroft 31347e4671 Always send a 0 window with a RST. Suggested by Darren Reed. 1998-09-19 04:02:52 +00:00
hwr cf70cc28c7 Typo. :( 1998-09-14 21:15:56 +00:00
hwr 517139017e Some additions. 
And IDPR-CMTP is 38 not 39 according to IANA.
 1998-09-14 21:09:51 +00:00
hwr 366b9c4515 Add a gre tunnel pseudo network device. Gre = generic route encapsulation. 
This device shows up like any other network interface and can be used to
tunnel L3 protocols as e.g. IP over IP.
 1998-09-13 20:27:47 +00:00
christos 66dd35d72c Fix copyright spacing and 'Van' -> 'van' for consistency. 1998-09-13 15:45:40 +00:00
tv 235fc6a6a9 egcs {brace} warning fix 1998-09-10 19:53:28 +00:00
mouse b95116821c Create tcp.keepidle, tcp.keepintvl, tcp.keepcnt, tcp.slowhz sysctls. 1998-09-10 10:46:03 +00:00
thorpej 9fd57e8917 Make a diagnostic printf more sensible, PR #5951, Heiko W. Rupp. 1998-09-09 04:57:18 +00:00
thorpej 4dbfe05f1f Use an algorithm similar to that in tcp_notify() to determine if 
syn_cache_unreach() should remove the entry, or just continue on.

Algorithm is to only remove the entry if we've had more than one unreach
error and have retransmitted 3 or more times.  This prevents the following
scenario, as noted in PR #5909 (PR from Ty Sarna, scenario from
Charles Hannum):

	* Host A sends a SYN.
	* Host A retransmits the SYN.
	* Host B gets the first SYN and sends a SYN-ACK.
	* Host B gets the second SYN and sends a SYN-ACK.
	* One of the SYN-ACK bounces with an
	  ICMP unreachable, causing the `SYN cache' entry to be
	  removed with no notification.
	* Host A receives the other SYN-ACK, sends an ACK, and goes to
	  ESTABLISHED state.

Should fix PR #5909.
 1998-09-09 01:32:27 +00:00
christos 0f024deb52 Add SIOCGIFALIAS 1998-09-06 17:52:01 +00:00
kleink bb4f7768e4 Protect _XOPEN_SOURCE against sysctl MIB identifiers. 1998-09-05 19:03:25 +00:00
mycroft e2cb6dad8d Make the randomized part of the ISS 24 bits. 1998-09-04 22:34:51 +00:00
mycroft 2f501074f8 Fix a couple of bogons related to tcp_new_iss(): 
* Don't add tcp_iss_seq when creating a new ISS from TIME-WAIT state.
* Do the clock increment even when using the rnd device.
 1998-09-04 22:29:54 +00:00
scottr e3e7e1673f Fix the NEXT_IA_WITH_SAME_ADDR macro introduced in 1.27: it was finding 
the first in_ifaddr structure with a different internet address!  Reverse
the sense of the test.  Spotted by and fix from Eric Haszlakiewicz.
 1998-08-14 06:57:54 +00:00
mrg 4a75265273 defopt PFIL_HOOKS. 1998-08-09 08:58:18 +00:00
thorpej 833061914a Use the pool allocator for tcpcbs. 1998-08-02 00:36:19 +00:00
thorpej d319e4b419 Use the pool allocator for syn_cache entries. 1998-08-02 00:35:51 +00:00
thorpej 47e9dcf841 Use the pool allocator for inpcbs. 1998-08-02 00:35:31 +00:00
tls 31d0752b99 change IN_IFADDR_HASH_SIZE to 509, which actually uses no more space than 293 due to rounding up to nearest power of two in hashinit. 1998-07-29 05:18:54 +00:00
pk 84840da908 in_pcballoc(): we can't afford to wait for memory. 1998-07-23 08:24:33 +00:00
mycroft cca4e566a9 Implement a better fix for the `gratuitous FIN' problem, as 
mentioned on tcp-impl but with a bit more commentary.
 1998-07-21 10:46:00 +00:00
thorpej 3a9ed00799 Document that we are more conservative after doing MTU discovery than the 
suggestion in draft-floyd-incr-init-win-03.  Rather than scaling cwnd back
by the ratio of new segment size to old segment size, we perform a slow start
using the Initial Window, computed with the new segment size.
 1998-07-17 23:09:58 +00:00
thorpej 0f909866c0 Clarify that we're using the Loss Window when we receive a source quench. 1998-07-17 23:02:38 +00:00
thorpej fa20f24cd9 Add a comment wrt. a current issue w/ CWM. 1998-07-17 23:00:02 +00:00
thorpej a3f4316cba Clarify that we are using the Loss Window if a retransmission occurred 
during the three-way handshake.
 1998-07-17 22:58:56 +00:00
thorpej 830879a809 Comment where the Restart Window is computed, and in the non-CWM case, 
make sure it never _increases_ cwnd.
 1998-07-17 22:52:01 +00:00
thorpej 1c4ff0a086 Comment where we use the Loss Window. 1998-07-17 22:18:49 +00:00
sommerfe 69b1b4758d Fix PR5559: if fast-forwarding, DF set, and packet too large, send ICMP error.. 1998-07-17 00:35:23 +00:00
sommerfe 534520d815 Fix PR5508: ipfil cut-through forwarding causes panic 1998-07-17 00:28:00 +00:00
tls deac3540de Put original hash function back. It wastes a little bit of space, but is much more even -- think of the case of a web service provider, some of whose customers end up getting 'inferior service' because they're on addresses that happen to be out at the end of a hash chain. With webservers with thousands of addresses, this is a real issue. If the wasted space is a big deal, we could pick a prime number that's slightly _less_ than a power of two... 1998-07-16 06:45:09 +00:00
thorpej 389da54091 Garbage collect `imp' and `hy'. We don't have the rest of the code, and 
it's not like anyone is ever going to be using either of them.
 1998-07-15 17:39:20 +00:00
veego 97ab1bd53b Resolve conflicts from the import. 1998-07-12 15:23:59 +00:00
mycroft 3a64270ca6 Back out the change from TCP/IP vol 2, in revision 1.7, which removed TH_FIN 
from the output flags for CLOSING state.  There is no harm in retransmitting
the FIN, and this change has unexpected side effects that break simultaneous
close behaviour.
 1998-07-09 05:49:56 +00:00
sommerfe 065cac9798 Delete bogus (void) cast of m_freem (which is already a void function..) 1998-07-07 00:04:59 +00:00
jonathan b37021c1a1 defopt NATM. 1998-07-05 22:48:05 +00:00
jonathan 9bf2ba0928 Garbage-collect ``needs-flag'' from attributes ether, fddi, arc: 
NETHER, NFDDI, NARC are  not used anywhere. Remove #include "ether.h",
   which had no effect.
Removes clash with "options NATM" for native-ATM network protocol stack.
 1998-07-05 22:29:51 +00:00
jonathan 011f2bda08 defopt NS, NSIP. 1998-07-05 06:49:00 +00:00
jonathan 5c0c5dd0b4 defopt ISO TPIP. 1998-07-05 04:37:35 +00:00
jonathan f2a2327e0a defopt EON. 1998-07-05 01:06:49 +00:00
jonathan 3751946b97 defopt INET, NETATALK. 1998-07-05 00:51:04 +00:00
jonathan 466e784ee1 defopt DDB. 1998-07-04 22:18:13 +00:00