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232 Commits

Author SHA1 Message Date
mycroft
9bfa240a98 Hash unconnected PCBs. 1996-09-15 18:11:06 +00:00
mrg
a5f00f16bc move the packet filter hooks in to a saner location. while i'm here, rename 
PACKET_FILTER to PFIL_HOOKS.
 1996-09-14 14:40:20 +00:00
mrg
4b851a2d9b remove an unused variable. 1996-09-14 12:35:07 +00:00
mrg
df4a844f44 forward decl. struct mbuf (for now). 1996-09-12 23:11:40 +00:00
explorer
f5a52c4260 Move an #ifdef _KERNEL up above all the packet filter stuff. This 
could very well break the packet filter stuff, but it will make things
like rcp.c compile, and rcp.c should not need to include sys/mbuf.h
to do so...
 1996-09-12 22:56:03 +00:00
mycroft
da2cd7eb82 If we're in SYN-SENT or SYN-RECEIVED state, don't reset the keepalive 
timer until we transition to ESTABLISHED state.  Suggested by TCP/IP
vol 3.
 1996-09-10 23:26:05 +00:00
mycroft
9bb1acd303 Rework the token bucket filter to use a list of packets rather than a static 
array.  Also, fix several memory leaks.  From Bill Fenner.
 1996-09-09 17:14:04 +00:00
mycroft
23437fc3d2 Cosmetic changes, some from Bill Fenner. 1996-09-09 17:09:50 +00:00
mycroft
62a6cce9ca Add in_nullhost() and in_hosteq() macros, to hide some protocol 
details.  Also, fix a bug in TCP wrt SYN+URG packets.
 1996-09-09 14:51:07 +00:00
mycroft
f5c7d8bcc1 Save 68 bytes of the packet for ICMP, not 64. From Laine Stump, PR 2296. 1996-09-08 15:49:43 +00:00
mrg
e27343e07d fix a couple of minor nits after discussions with jason. 1996-09-07 04:55:16 +00:00
mrg
ae47956db0 add packet filter interface code. see pfil(9) for more details. you 
need the PACKET_FILTER option to enable this code.  currently, ipfilter
version 3.1.1-beta has been converted to use this new interface.
 1996-09-06 05:07:43 +00:00
perry
94a217e163 Commit PR 2671, which adds an "IPNOPRIVPORTS" config option that turns 
off the code that normally only allows root to bind low TCP
ports. Useful on firewalls and such.
 1996-09-05 18:10:03 +00:00
thorpej
3ca11aa1ad Fix some DIAGNOSTIC printf() formats; ntohl() provides a 32-bit quantity, 
and should be printed with %x, not %lx.
 1996-08-14 03:46:44 +00:00
neil
78bddbd393 Prototypes and definitions for ICMP Router Discovery, From FreeBSD. 
rdisc coming soon! :-)
 1996-08-03 15:48:18 +00:00
cgd
9764a289cd print result of ntohl/htonl as a long. (makes -Wformat work on the 
Alpha.)
 1996-07-10 18:13:35 +00:00
chuck
26cf9de9d5 ported ATM to FreeBSD 2.2-960612-SNAP 1996-07-03 17:17:10 +00:00
chuck
cc499a99d9 change: 
- change asock to rxhand and adjust all for this [esp atm_input]
 1996-06-29 20:07:05 +00:00
chuck
a08c95305d fixes/new stuff: 
[1] if user tries to enter in a bogus PVC don't leave it in the routing
        table ... remove it
[2] change ioctl arg to include rxso for lower layer
[3] add hooks (inside "NATM" ifdef) for native mode atm sockets so that
        they don't clash with IP PVCs.   [i am still debugging the native
        mode atm socket protosw code]
 1996-06-26 04:18:44 +00:00
mycroft
865bfae299 Return ENOPROTOOPT rather than picking pseudo-random error values. 
Don't allow SIOCGET{VIF,SG}CNT from sockets other than the multicast router.
Restructure rip_ctloutput() like ip_ctloutput(), and fix memory leaks.
 1996-06-23 12:12:44 +00:00
chuck
d9c6fd68b8 network support for ATM networks (ATM == Async Transfer Mode, not 
Automatic Teller Machine).

Currently supports PVCs only (no ATM ARP either).
 1996-06-22 01:47:35 +00:00
pk
ecbb3b2eb2 Prototype new rip_*() functions. 1996-05-28 23:27:04 +00:00
mycroft
91ac291d97 Move some code into a separate rip_bind() function. 1996-05-24 19:03:13 +00:00
mycroft
9347e648d8 udp_output() doesn't actually take control data, so don't pretend it does. 1996-05-23 17:05:45 +00:00
mycroft
f399db63a4 Make sure the control mbufs are freed in all cases. 1996-05-23 17:03:27 +00:00
mycroft
60395beed8 Fix a race condition in PRU_DISCONNECT. 
Rearrange the code to deal with unconnected sockets slightly.
Other minor changes.
 1996-05-23 16:22:32 +00:00
mycroft
e930766cdc Minor changes. 1996-05-23 16:13:19 +00:00
mycroft
aee4be7a7f Minor changes to make this more like other protocols. Also, fix some return 
values.
 1996-05-23 16:12:15 +00:00
mycroft
a8ba1d063c A few style changes to match netiso and netns. 1996-05-22 14:42:27 +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
mrg
4e25d1d20b if the sender set a cksum, check it, regardless if we care to 
generate and send them ourselves.  from rich stevens.
 1996-05-20 16:56:20 +00:00
mycroft
e901286aad When sending an ARP request, use the interface address for the route, rather 
than the first address assigned.  This gives slightly different behaviour in
the presence of aliases.  From Bill Fenner, via Pete Bentley.
 1996-05-11 12:59:55 +00:00
thorpej
4edabe2501 Changed struct ifnet to have a pointer to the softc of the underlying 
device and a printable "external name" (name + unit number), thus eliminating
if_name and if_unit.  Updated interface to (*if_watchdog)() and (*if_reset)()
to take a struct ifnet *, rather than a unit number.
 1996-05-07 02:40:22 +00:00
jonathan
24a8c21b53 fixes for -Wall -Wmissing-prototypes: 
include <sys/systm.h> to get a prototyped declaration of printf().
include <netinet/in.h> to get a prototyped declaration of in_cksum().
 1996-04-08 19:55:37 +00:00
christos
dd7163922a Fix db_printf formats 1996-03-30 21:53:19 +00:00
christos
2769793c13 Fix printf format args. 1996-03-16 23:53:58 +00:00
mrg
32cdb91fa3 two more local addr changes, all done differently now (idea from charles) 1996-02-26 23:16:42 +00:00
mrg
86b9b4d6be if we are connecting *to* an address of any local interface, default the 
local address of the socket to the same address.
 1996-02-26 08:25:47 +00:00
christos
b2cc81b8fe Fix PR/2095 options MROUTING did not compile. 1996-02-18 18:58:32 +00:00
christos
14d9cd33af netinet prototypes 1996-02-13 23:40:59 +00:00
mycroft
0a47ede0fe Ignore FIN if not yet connected. 1996-01-31 05:56:56 +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
mycroft
67e78477db Build a hash table of PCBs. Hash function needs tweaking. 1996-01-31 03:49:23 +00:00
thorpej
535abd80a2 Add a net.inet.ip.directed-broadcast sysctl as suggested by 
Darren Reed <darrenr@vitruvius.arbld.unimelb.edu.au> in PR #1227.
This change is slightly different than the one submitted by Darren in
that the DIRECTED_BROADCAST compile-time option will behave like it used
to so that existing configurations utilizing it won't have to change.
 1996-01-16 04:17:30 +00:00
thorpej
4b359df8c4 Add net.inet.ip.forwsrcrt: if zero, the system will not forward 
source-routed packets.  Note this value is protected by kernel security
level; it can only be changed if securelevel < 1.
 1996-01-15 21:11:46 +00:00
pk
c069674663 Handle PRU_CONTROL (David Maltz; PR#1664). 1995-11-30 16:42:18 +00:00
cgd
dfad729a16 make netinet work on systems where pointers and longs are 64 bits 
(like the alpha).  Biggest problem: IP headers were overlayed with
structure which included pointers, and which therefore didn't overlay
properly on 64-bit machines.  Solution: instead of threading pointers
through IP header overlays, add a "queue element" structure to do
the threading, and point it at the ip headers.
 1995-11-21 01:07:34 +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
873ed30f83 so_pcb should be a void *. 1995-08-17 02:57:20 +00:00
mycroft
5482957905 splnet --> splsoftnet 1995-08-12 23:59:09 +00:00
mycroft
68735fd022 Encapsulate the test for sending a notification in a macro, sb_notify(). 1995-08-04 01:09:57 +00:00
cgd
5b435dbf05 null mbuf pointer could cause system crash; avoid it. From 
Torsten Duwe <duwe@immd4.informatik.uni-erlangen.de>.
 1995-07-01 03:44:55 +00:00
cgd
23e75a550d fix typo 1995-06-26 08:46:16 +00:00
cgd
f90cf78fba convert pcb lists to CIRCLEQs, so that the end can be looked at more 
easily, and so that the original (insque/remque) logic can be effectively
mimiced.  (This fixes a bug in the previous set of list changes.)
also (since terminator is no longer null) reinstate uninitted list checks,
but mark them XXX.
 1995-06-18 20:01:08 +00:00
mycroft
cd7edee1ca in_pcbnotify*() don't return anything. 1995-06-12 06:49:55 +00:00
mycroft
351cfd5ed8 Fix bogon in previous. 1995-06-12 06:48:54 +00:00
mycroft
22687aa834 Change in_pcbnotify*() to take an errno value. Make inetctlerrmap[] an 
array on ints, not u_chars.
 1995-06-12 06:46:34 +00:00
mycroft
10a4696964 Oops. Make source quench work again. 1995-06-12 06:24:21 +00:00
mycroft
c88cf97b34 Clear the MFC entry's statistical counters when doing an upcall. 1995-06-12 03:05:12 +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
mycroft
f9337c3f1e Oops. Decrement rtt earlier. 1995-06-11 21:36:04 +00:00
mycroft
2be9b519ac As suggested by Brakmo and Peterson: 
* Don't add the extra 1/8 of the mss when ramping up the congestion window.
* Scale the RTT values slightly to adjust for rounding errors.
* Set the lower bound of the RTO to RTT+2.
 1995-06-11 20:39:22 +00:00
mycroft
4ce5bb3dd4 Check for inflated congestion window during header prediction, per Bramko and 
Peterson.
 1995-06-11 09:36:28 +00:00
mycroft
3a8e9c62b8 Remove ip_ifmatrix completely. 1995-06-07 16:01:15 +00:00
cgd
d4f62dcb69 update from Ignatios Souvatzis 1995-06-07 00:13:52 +00:00
mycroft
4906fd756f Simplify ipip_input() a bit. Don't blow away the vif cache if someone sends 
us a bogus packet.
 1995-06-04 07:38:19 +00:00
mycroft
e30d6fd798 Simply tbf_control() a bit. 1995-06-04 07:20:47 +00:00
mycroft
b8c4ea6580 Eliminate compiler warnings. 1995-06-04 06:55:30 +00:00
mycroft
e201372b7d For consistency, set sin_len for SIOC{ADD,DEL}MULTI. 1995-06-04 06:46:05 +00:00
mycroft
51a0da73db Remove one more bogus cast. 1995-06-04 06:03:53 +00:00
mycroft
41703012d6 Don't cast things unnecessarily. 1995-06-04 05:58:20 +00:00
mycroft
0a99592372 Clean up many more casts. 1995-06-04 05:06:49 +00:00
mycroft
06a9ea20e8 Clean up a lot of ugly casts. 1995-06-04 04:35:29 +00:00
mycroft
489f42a2d8 Dynamically allocate the deencapsulation interfaces. Abstract the code to 
reset a vif into a separate function.
 1995-06-02 04:23:05 +00:00
mycroft
4516e8c845 Don't use INADDR_* constants in case labels. 1995-06-01 21:46:27 +00:00
mycroft
eb216fd6c2 Avoid byte-swapping IP addresses at run time. 1995-06-01 21:35:34 +00:00
mycroft
2eaf92b3e5 Add missing ntohl() in multicast test. 1995-06-01 15:59:04 +00:00
mycroft
ba9883ec57 Integrate multicast 3.5 distribution, with several bugs fixed and general 
cleanup.  This is a (working) snapshot of work in progress.
 1995-05-31 21:50:34 +00:00
mycroft
a54e2ffa20 Add IPPROTO_IP. Fix comment for IP_MULTICAST_IF. 1995-05-31 07:39:33 +00:00
mycroft
f49ddb8b04 Implement IGMP v2. Based on the Multicast 3.5 distribution. 1995-05-31 06:08:17 +00:00
cgd
dd614d8474 parenthesize macro arg usage 1995-05-16 05:26:36 +00:00
cgd
0bfc08ac63 oops; forgot a '{' 1995-05-15 02:09:58 +00:00
cgd
05af191f3b spacing fixups and KNF. #define ether address size, so it's not 
hardcoded as '6' all over.
 1995-05-15 01:30:44 +00:00
cgd
cd172a4d08 KNF 1995-05-15 01:25:21 +00:00
cgd
b4cd363b69 simplify ip_output() out-of-memory condition slightly, and style nits. 1995-05-15 01:24:53 +00:00
cgd
e7164bb2fd "routine" precedence has a value of 0. 1995-05-15 01:22:44 +00:00
cgd
2c1e3c655f drop (and record) malformed IP fragments. Fixes pr 1030 (differently). 1995-05-14 08:23:00 +00:00
cgd
c03b53c2e8 spacing cleaup. also, minor type mixup fixups. 1995-04-17 05:32:52 +00:00
chopps
999aa2cc32 update arc_input() proto to match reality. 1995-04-14 17:09:39 +00:00
cgd
1e2fe7fa41 oops; missed the chance to fix a cast, that then becamse a compiler warning. 1995-04-13 20:09:23 +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
cgd
b5b72d26ea be a bit more careful and explicit with types. (basically a large no-op.) 1995-04-13 06:25:36 +00:00
mycroft
8b77f9cd5f Remove some explicit references to loif. 1995-04-11 04:30:47 +00:00
mycroft
2f30839b62 Remove now unneeded #ifdef. Prototype new function. 1995-04-10 00:06:54 +00:00
mycroft
99cd177c88 Add a common function to initialize ARP-related variables. `Insired' 
by Garrett Wollman.
 1995-04-07 22:26:04 +00:00
briggs
6efcd1b6d4 KERNEL -> _KERNEL 1995-03-29 21:57:43 +00:00
jtc
7c04233887 KERNEL -> _KERNEL 1995-03-26 20:23:52 +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
glass
af55380e5a remove references to arptnew. fix spelling error 1995-03-06 19:06:05 +00:00