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39 Commits

Author SHA1 Message Date
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
1ffa60ac01 Use macros from tcp_timer.h to manipulate TCP timers, so that their 
implementation can be changed easily.
 1998-05-06 01:21:20 +00:00
matt
334f006538 New TCP reassembly code. The new code reduces the memory needed by 
out-of-order packets and builds the infrastructure needed for sending
SACK blocks (to be added shortly).
 1998-04-29 20:43:29 +00:00
kml
fcf0227962 Fix to ensure that the correct MSS is advertised for loopback 
TCP connections by using the MTU of the interface.  Also added
a knob, mss_ifmtu, to force all connections to use the MTU of
the interface to calculate the advertised MSS.
 1998-04-13 21:18:19 +00:00
thorpej
5837cc6b07 Update copyright (sigh, should have done this long ago). 1998-02-19 02:36:42 +00:00
thorpej
e5e283e02d Finishing merging 4.4BSD-Lite2 netinet. At this point, the only changes 
left were SCCS IDs and Copyright dates.
 1998-01-05 10:31:44 +00:00
thorpej
2e85747e9e From 4.4BSD-Lite2 (noted by Frank van der Linden): 
so_linger is used as an argument to tsleep(), so was stuffed with
clockticks for the TCP linger time.  However, so_linger is set directly from
l_linger if the linger time is specified, and l_linger is seconds (although
this is not currently documented anywhere).  Fix this to set the TCP
linger time in seconds, and multiply so_linger by hz when tsleep() is
called to actually perform the linger.
 1998-01-05 09:12:29 +00:00
thorpej
ee84a26869 After further examination of traces of bulk transfers (with help from 
Kevin Lahey), undo the "defer window update until next delayed ACK".
 1997-12-13 21:02:38 +00:00
thorpej
c02a72fcd0 Implement an infrastructure to allow larger initial congestion windows. 
The sysctl'able variable "tcp_init_win", when set to 0, selects an
auto-tuning algorithm for selecting the initial window, based on transmit
segment size, per discussion in the IETF tcpimpl working group.

Default initial window is still 1 segment, but will soon become 2 segments,
per discussion in tcpimpl.
 1997-12-11 22:47:24 +00:00
thorpej
3026b32ab3 In the PRU_RCVD entry point, if TF_DELACK is set, don't send the window 
update now, since it will be sent within 200ms when the delayed ACK is
sent.  Instrument how many hits we get on this optimization.
 1997-12-11 06:53:06 +00:00
kml
86275dc497 TCP MSS fixes to provide cleaner slow-start and recovery. 1997-11-08 02:35:22 +00:00
explorer
790e114732 Add hooks to use the kernel random system to generate TCP sequence numbers. 1997-10-10 01:51:07 +00:00
thorpej
4cef61d36b Generate dependencies for the TCP_SENDSPACE and TCP_RECVSPACE options. 1997-07-28 22:31:08 +00:00
thorpej
758a104426 Make the following tunable via sysctl, inspired by BSD/OS: 
- tcp_sendspace
- tcp_recvspace
- tcp_mssdflt
- tcp_syn_cache_limit
- tcp_syn_bucket_limit
- tcp_syn_cache_timer
 1997-07-28 22:18:48 +00:00
kleink
8fb48a5db9 Eliminate a superflouus `if' statement: when detaching the TCP protocol from 
a socket, just calling tcp_disconnect() on the tcpcb will do the right thing.
From Thorsten Frueauf <frueauf@ira.uka.de> and W. Richard Stevens in PR/3738
resp. TCP/IP Illustrated, Vol. 2.
 1997-06-12 18:41:14 +00:00
mycroft
f399db63a4 Make sure the control mbufs are freed in all cases. 1996-05-23 17:03:27 +00:00
mycroft
e930766cdc Minor changes. 1996-05-23 16:13:19 +00:00
mycroft
49d52c9b1c Pass a proc pointer down to the usrreq and pcbbind functions for PRU_ATTACH, PRU_BIND and 
PRU_CONTROL.  The usrreq interface really needs to be split up, but this will have to wait.
Remove SS_PRIV completely.
 1996-05-22 13:54:55 +00:00
christos
14d9cd33af netinet prototypes 1996-02-13 23:40:59 +00:00
mycroft
ac01b2f206 Add a comment describing the previous. 1996-01-31 05:42:37 +00:00
mycroft
a4e1bceb84 If we close from FIN_WAIT_2 state, make sure we don't leave the socket 
around forever if we don't get a final FIN.  From Arne Juul, PR 1659.
 1996-01-31 05:37:29 +00:00
thorpej
7884abf9e5 Implement tcp_sysctl(). Add a sysctl option to enable/disable RFC1323 
extensions to TCP.  From John Kohl <jtk@kolvir.blrc.ma.us>.
 1995-09-30 07:02:00 +00:00
mycroft
5482957905 splnet --> splsoftnet 1995-08-12 23:59:09 +00:00
mycroft
6897f39ae9 Various cleanup, including: 
* Convert several data structures to use queue.h.
* Split in_pcbnotify() into two parts; one for notifying a specific PCB, and
one for notifying all PCBs for a particular foreign address.
 1995-06-12 00:46:47 +00:00
cgd
80929f8527 be a bit more careful and explicit with types. (basically a large no-op.) 1995-04-13 06:35:38 +00:00
glass
e553431826 Default linger time was 120 clock ticks instead of the intended 
2 minutes.
[Bug pointed out by Wright/Stevens in TCP/IP Illustrated Vol II]
 1995-03-21 07:48:14 +00:00
mycroft
63bb09e6da Don't return received data to the user until the initial handshake is complete. 
Also use TCPS_HAVEESTABLISHED() in a few other places.
 1994-10-14 16:01:48 +00:00
mycroft
b94d5a36e7 Increase the default window size to 16k. 1994-10-13 14:26:15 +00:00
cgd
cf92afd66e New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:29:24 +00:00
mycroft
07b4f2ab54 Update to 4.4-Lite networking code, with a few local changes. 1994-05-13 06:02:48 +00:00
mycroft
627b841797 Change the counters to be all the same type -- u_long. 1994-01-10 23:27:39 +00:00
mycroft
12c88c1841 Remove some extra prototypes. 1994-01-08 23:26:40 +00:00
mycroft
e43117185e Prototypes. 1994-01-08 23:07:16 +00:00
mycroft
95b048b53a Canonicalize all #includes. 1993-12-18 00:40:47 +00:00
cgd
e5d4c777bd bump sendspace and recvspace up to 8k each; rod says 
these should be safe values...
 1993-06-15 02:25:26 +00:00
cgd
fe1802950b add include of select.h if necessary for protos, or delete if extraneous 1993-05-22 11:40:42 +00:00
cgd
8d6c77881c make kernel select interface be one-stop shopping & clean it all up. 1993-05-18 18:18:40 +00:00
cgd
61f282557f initial import of 386bsd-0.1 sources 1993-03-21 09:45:37 +00:00