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70 Commits

Author SHA1 Message Date
jhawk b70721109d Add kernel counters for arp events, displayable with netstat -s -f arp 2000-08-15 20:24:57 +00:00
jhawk ca31d672e2 Install "show arptab" (db_show_arptab) in the ddb command tree. 
Move prototype from netinet/if_inarp.h to ddb/db_interface.h.
Change function to have standard ddb parameters (though they're
ignored).
 2000-05-20 03:08:41 +00:00
augustss 8529438fe6 Remove register declarations. 2000-03-30 12:51:13 +00:00
thorpej fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00
is f546d949b6 Decouple IP mtu for ARCnet devices from interface MTU. 
This is important, because for most protocols, link level fragmentation is
used, but with different default effective MTUs. (e.g.: IPv4 default MTU
is 1500 octets, IPv6 default MTU is 9072 octets).
 1999-09-25 17:49:27 +00:00
matt d3448593e5 Cleanup a little kludge in mtu handling in route.c. Bring down FDDI 
mtu to legal IP max but don't affect other protocols.
 1999-08-21 03:46:35 +00:00
sommerfeld 08e495eda4 Delete debug printfs from arp_drain() 1999-08-05 04:36:56 +00:00
sommerfeld 2aa9696fee Implement arp_drain(), which frees packets tied up in the arp cache if 
mbufs are in short supply.
Create a (trivial) protocol domain for arp so that the drain routine will
be called from m_reclaim()
 1999-08-05 04:04:28 +00:00
thorpej 51867fc227 When sending an ARP reply, make sure to set the length of the outgoing 
packet.

Slightly modified from PR #7809, Zdenek Salvet <salvet@ics.muni.cz>.
 1999-06-18 18:20:50 +00:00
bad 6b30aed924 Fix thinko of mine in previous. The source route info is not at m->m_data 
after various m_adj()s have been done.  Kludge around this with a cheesy
macro that knows where the drivers put the mac header in the first mbuf.

XXX There should be a better way to do this.
 1999-05-30 00:39:07 +00:00
bad 0b3a9f9e00 Don't assume the Token-Ring source route is in the m_pktdat. Use 
m_data instead.  This isn't a problem with ARP packets but is correct
way to this.

Noticed by pmara@cactus.org (Shashi Mara).
 1999-05-29 22:36:07 +00:00
ad bdf1938edd For completeness sake, allow this to compile with no loopback interfaces 
configured.
 1999-05-23 20:21:51 +00:00
is 7807c9a493 Fixes PR 7489 by Olaf Seibert. Fix by Zdenek Salvet (PR 7497). 1999-05-04 20:50:35 +00:00
is 7470bd006a Fix for PR 7490 by Olaf Seibert, fix mostly from PR 7497 bei Zdenek Salvet, 
but with more verbose error messages.
 1999-05-04 14:58:27 +00:00
bad a5283c98c0 Add support for Token-Ring source routes in the ARP cache. 
By Onno van der Linden.
 1999-03-22 22:30:42 +00:00
drochner 918dfd95e1 -always do an RARP if revarpwhoarewe() is called, it might be for another 
interface or the server's configuration has changed
-g/c revarpwhoami()
 1999-02-21 15:17:14 +00:00
thorpej 12632ebf71 Reverse the copyright-notice-swap. It went against existing practice. 1998-12-19 02:46:12 +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
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
is 0ca02c68a7 Thinko in last fix: we have to actually check each address for a copy on 
our ifp, else we might fail for some strange configurations.
 1998-07-02 14:00:39 +00:00
is d8b8a41918 The rewrite of if_arp.c to work with the hashed interface address lists 
(1.44) missed a test for the right interface, making some machines answer
to some bogus arp requests (like for WHO-HAS 127.0.0.1).

The quick patch in 1.46-1.47 does not work for so-called "unnumbered"
interfaces, that is, (point-to-point) interfaces that share their local
address with another (e.g., the Ethernet) interface.

We add a macro to in_var.h, to step (in the current implementation) through
the hash chain and fine more entries with the same address, and use that
in if_arp.c to find one which belongs to our interface.
 1998-07-02 11:39:56 +00:00
tls b0d2c08b6b Fix buglet where we might respond to arp on wrong interface. 1998-06-25 20:47:48 +00:00
matt c0a1601f95 Change arp so its console log messages print out IP addresses in 
dotted quad format instead of hex.
 1998-05-29 15:34:24 +00:00
tls 91de585d5f Add correct copyright notice for IP address hash change. This code is donated to TNF by the original copyright holder, Panix. 1998-02-15 18:24:23 +00:00
tls c9934a9084 Change list of interface IP addresses to a hash. Improves performance on hosts with a large number of IP addresses significantly. 1998-02-13 18:21:38 +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
gwr 011d063b25 Get rid of the messages: "arp: zero IP addr from ..." 
If one really wants to know about those confused PCs
trying to use IP address zero, they can use tcpdump.
 1997-10-31 02:54:08 +00:00
is fabb33431c Reimplement a test for broadcast addresses advertized, which was left out 
when rewriting the ARP system.
 1997-10-02 19:41:56 +00:00
gwr c74236bfc9 Tweaks to allow operation with an interface address of 0.0.0.0 
(needed for NFS mountroot using BOOTP to get boot parameters)
 1997-08-29 16:02:41 +00:00
lukem fcbcbc2234 struct loif is an array of NLOOP (from "loop.h") elements 1997-08-04 06:18:49 +00:00
gwr 3cb60b969d Allow revarpwhoami() to be called multiple times. 
(Just return the answer if we already have it.)
Without this, the RB_ASKNAME loop fails on every
call to nfs_mountroot after the first call.
 1997-05-27 23:14:44 +00:00
jtk e096ee0e10 add newlines at end of debugging log messages which were missing them 1997-04-07 01:48:30 +00:00
is 4555777c80 Fix several bugs related to the new ARP code, and ARCnet ARP support. 
Among other, add ARPHRD_ARCNET definition, make sure the hardware type is
set on outgoing ARP packets, make sure we dont send out replies as broadcasts.
 1997-03-23 01:22:35 +00:00
is 07b064e02e New ARP system, supports IPv4 over any hardware link. 
Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will
only support Ethernet. Tcpdump itself should be ok, but libpcap needs
lot of work.

For the detailed change history, look at the commit log entries for
the is-newarp branch.
 1997-03-15 18:09:08 +00:00
christos 5545959d0b backout previous kprintf changes 1996-10-13 02:03:00 +00:00
christos 6d7ad25bea printf -> kprintf, sprintf -> ksprintf 1996-10-10 23:12:43 +00:00
thorpej 63a2506f79 Merge netbsd-1-2 branch back into mainline. 1996-10-09 01:15:04 +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
christos dd7163922a Fix db_printf formats 1996-03-30 21:53:19 +00:00
christos 14d9cd33af netinet prototypes 1996-02-13 23:40:59 +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
mycroft 0a99592372 Clean up many more casts. 1995-06-04 05:06:49 +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 c03b53c2e8 spacing cleaup. also, minor type mixup fixups. 1995-04-17 05:32:52 +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