Commit Graph

557 Commits

Author SHA1 Message Date
Julian Elischer
ae5a83bcb5 Use typedefs for node methods. 1999-11-01 10:18:36 +00:00
Joerg Wunsch
83cc7ae865 When getting a RCN event in state ACK_RCVD, RFC 1661 demands that we
go to REQ_SENT (and we probably should also log this since it should
only happen in a cross-linked connection).

Submitted by:	Mark Tinguely <tinguely@plains.NoDak.edu>
1999-10-29 17:57:42 +00:00
Archie Cobbs
3893348e48 Add a comment before sl_compress_tcp() regarding mbuf assumptions. 1999-10-29 17:00:18 +00:00
Ruslan Ermilov
273e9b94a1 Re-allocate cblocks after changing the slip unit number. 1999-10-28 16:04:59 +00:00
Julian Elischer
021823c35c Minor hack in the netgraph interface to ethernets. 1999-10-26 11:40:23 +00:00
Julian Elischer
4cf49a4355 Whistle's Netgraph link-layer (sometimes more) networking infrastructure.
Been in production for 3 years now. Gives Instant Frame relay to if_sr
and if_ar drivers, and PPPOE support soon. See:
ftp://ftp.whistle.com/pub/archie/netgraph/index.html
for on-line manual pages.

Reviewed by: Doug Rabson (dfr@freebsd.org)
Obtained from:  Whistle CVS tree
1999-10-21 09:06:11 +00:00
Mike Smith
114ae644b5 Implement pseudo_AF_HDRCMPLT, which controls the state of the 'header
completion' flag.  If set, the interface output routine will assume that
the packet already has a valid link-level source address.  This defaults
to off (the address is overwritten)

PR:		kern/10680
Submitted by:	"Christopher N . Harrell" <cnh@mindspring.net>
Obtained from:	NetBSD
1999-10-15 05:07:00 +00:00
Peter Wemm
d42da05b12 Zap #include "tun.h" (for NTUN) - which isn't used anymore. 1999-09-27 00:55:29 +00:00
Peter Wemm
18e2e348fb Minor tidy up of PPP_FILTER and NBPF stuff. Don't generate bpf.h in the
module and don't #include "bpf.h".
1999-09-26 18:44:29 +00:00
Poul-Henning Kamp
d6a0e38a1b Remove five now unused fields from struct cdevsw. They should never
have been there in the first place.  A GENERIC kernel shrinks almost 1k.

Add a slightly different safetybelt under nostop for tty drivers.

Add some missing FreeBSD tags
1999-09-25 18:24:47 +00:00
Poul-Henning Kamp
ae8e1d08d7 This patch clears the way for removing a number of tty related
fields in struct cdevsw:

        d_stop          moved to struct tty.
        d_reset         already unused.
        d_devtotty      linkage now provided by dev_t->si_tty.

These fields will be removed from struct cdevsw together with
d_params and d_maxio Real Soon Now.

The changes in this patch consist of:

        initialize dev->si_tty in *_open()
        initialize tty->t_stop
        remove devtotty functions
        rename ttpoll to ttypoll
        a few adjustments to these changes in the generic code
        a bump of __FreeBSD_version
        add a couple of FreeBSD tags
1999-09-25 16:21:39 +00:00
Poul-Henning Kamp
46783fb897 Remove NBPF conditionality of bpf calls in most of our network drivers.
This means that we will not have to have a bpf and a non-bpf version
of our driver modules.

This does not open any security hole, because the bpf core isn't loadable

The drivers left unchanged are the "cross platform" drivers where the respective
maintainers are urged to DTRT, whatever that may be.

Add a couple of missing FreeBSD tags.
1999-09-25 12:06:01 +00:00
Ruslan Ermilov
24e9bc7fca Don't call if_up() here, just set IFF_UP.
PR:		12251
Reviewed by:	wollman
1999-09-14 01:17:30 +00:00
Ruslan Ermilov
97998e86db Add comments, fix typos.
Reviewed by:	wollman
1999-09-14 00:33:23 +00:00
Nick Sayer
39aca5c05e Fix kernel compile with BRIDGE, but without DUMMYNET 1999-09-11 18:54:41 +00:00
Sheldon Hearn
cd9e4cab46 For every "promiscuous mode enabled" message printed for an interface,
print a matching "disabled" message when we drop out of promiscuous
mode for that interface.

Discussed on the freebsd-hackers mailing list.
1999-08-30 11:55:30 +00:00
Peter Wemm
c3aac50f28 $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
Peter Wemm
2bb0e3300a Hopefully make IFMEDIA_DEBUG compile. if_xname[] is a NetBSD addition,
we need if_name, if_unit.  (maybe we should pick up if_xname[] ?)

Pointed out by: jkb@yahoo-inc.com
1999-08-18 13:13:01 +00:00
Poul-Henning Kamp
c6ba8fec16 Give if_tun the "almost clone" makeover. 1999-08-15 09:54:57 +00:00
Poul-Henning Kamp
bd3a53203f Give BPF the "almost-clone" update. If you need more of them, make
more entries in /dev and be happy you don't need to recompile your
kernel.
1999-08-15 09:38:21 +00:00
Brian Somers
a18e16060e Back out redundant check, and remove the MAXMTU comparison as it's
outside of the (bogus) tuninfo mtu range.
Pointed out by: bde
1999-08-06 16:52:04 +00:00
Brian Somers
5abb82ea11 Back out redundant checks
Pointed out by: bde
1999-08-06 16:46:29 +00:00
Brian Somers
aab3beeede Define IF_MAXMTU and IF_MINMTU and don't allow MTUs with
out-of-range values.

``comparison is always 0'' warnings are silly !

Ok'd by:	wollman, dg
Advised by:	bde
1999-08-06 13:53:03 +00:00
Brian Somers
3145c58d33 Don't complain if 0 bytes are written to the tun device, simply
do nothing.
1999-07-26 12:11:10 +00:00
John-Mark Gurney
37735ca6ea fix a problem w/ zero byte writes to the tunnel device. It would bypass
the loop and not set an error, so we would then try to access an invalid
mbuf...

PR:		12780
Submitted by:	bright@rush.net aka zb^3

a new record in length a pr was open... only about a half hour...
1999-07-23 20:08:27 +00:00
Dag-Erling Smørgrav
6b5ca0d83e Rename bpfilter to bpf. 1999-07-06 19:23:32 +00:00
Bruce Evans
712020a15a Fixed English errors, spelling errors and formatting errors in rev.1.51
and rev.1.53.
1999-07-05 12:00:05 +00:00
Bruce Evans
edff69904f Quick fix for breakage of bounds checking in rev.1.12. Only one
of the additional checks in rev.1.12 was wrong.  The others are a
bit inconsistent and are probably unnecessarily pessimal.  Checking
for overflow of addition, if necessary at all, should be done in
bpf_validate().

PR:	12484
1999-07-04 08:07:35 +00:00
Peter Wemm
e916dd0f12 Fix a printf int/long problem on the Alpha 1999-07-01 22:14:51 +00:00
Peter Wemm
5cda71067d Fix two easy warnings when using BRIDGE without IPFIREWALL. 1999-07-01 15:07:08 +00:00
Mike Smith
64e41ba7c8 Increase the size of the route reference count from 15 bits to 31 bits.
This doesn't change the size or alignment of the structure on either i386
or Alpha, and thus should be binary-compatible (modulo problems with old
applications and routes with more than 2^15 references).

Reviewed by:	peter
1999-06-30 23:11:15 +00:00
Pierre Beyssac
cce2eb6a97 Never return the root node itself from rn_match(); return NULL instead.
This caused a panic in rtfreee() called with a root node from the
routing socket code (when processing a RTM_GET message looking for
the default route while there is none).

Since no existing code seems to have any use getting the root node
from rn_match(), it seems cleaner never to return it rather than
check for this condition at the caller's.

PR:		kern/12265
1999-06-25 13:43:30 +00:00
Poul-Henning Kamp
413dd0ba39 Add a new interface ioctl, to return "aux status".
This is inteded for to allow ifconfig to print various unstructured
information from an interface.

The data is returned from the kernel in ASCII form, see the comment in
if.h for some technicalities.

Canonical cut&paste example to be found in if_tun.c

Initial use:
        Now tun* interfaces tell the PID of the process which opened them.

Future uses could be (volounteers welcome!):
        Have ppp/slip interfaces tell which tty they use.
        Make sync interfaces return their media state: red/yellow/blue
        alarm, timeslot assignment and so on.
        Make ethernets warn about missing heartbeats and/or cables
1999-06-19 18:42:31 +00:00
Poul-Henning Kamp
2f55ead758 typo in previous commit 1999-06-06 09:28:01 +00:00
Poul-Henning Kamp
cf4b937128 Introduce IFF_SMART bit.
This means that the driver will add/delete routes when it knows it is
up/down, rather than have the generic code belive it is up if configured.

This is probably most useful for serial lines, although many PHY chips
could probably tell us if we're connected to the cable/hub as well.
1999-06-06 09:17:51 +00:00
Poul-Henning Kamp
2447bec829 Simplify cdevsw registration.
The cdevsw_add() function now finds the major number(s) in the
struct cdevsw passed to it.  cdevsw_add_generic() is no longer
needed, cdevsw_add() does the same thing.

cdevsw_add() will print an message if the d_maj field looks bogus.

Remove nblkdev and nchrdev variables.  Most places they were used
bogusly.  Instead check a dev_t for validity by seeing if devsw()
or bdevsw() returns NULL.

Move bdevsw() and devsw() functions to kern/kern_conf.c

Bump __FreeBSD_version to 400006

This commit removes:
        72 bogus makedev() calls
        26 bogus SYSINIT functions

if_xe.c bogusly accessed cdevsw[], author/maintainer please fix.

I4b and vinum not changed.  Patches emailed to authors.  LINT
probably broken until they catch up.
1999-05-31 11:29:30 +00:00
Poul-Henning Kamp
4e2f199e0c This commit should be a extensive NO-OP:
Reformat and initialize correctly all "struct cdevsw".

        Initialize the d_maj and d_bmaj fields.

        The d_reset field was not removed, although it is never used.

I used a program to do most of this, so all the files now use the
same consistent format.  Please keep it that way.

Vinum and i4b not modified, patches emailed to respective authors.
1999-05-30 16:53:49 +00:00
Brian Somers
42c4682dd9 In tunclose():
Delete all routes if IFF_RUNNING is set, irrespective of IFF_UP
  Unset IFF_RUNNING.
1999-05-27 13:18:28 +00:00
Pierre Beyssac
e3c1388bba PR: kern/10570
Submitted by:	adrian@freebsd.org

Change reference count in struct ifaddr to a u_int, to be able
to handle more than 2^16 routes to the same interface.

Fix suggested by Andrew Bangs <andrewb@demon.net> in PR kern/10570.
Tested by <adrian@freebsd.org> and me under -current.
1999-05-16 17:09:20 +00:00
Kenjiro Cho
0ce8bd9571 clean up en atm driver
o fix DDB support
   - include "opt_ddb.h"
   - fix Debugger() arg
   pointed out by bde

 o back out pvc shadow interface support
   - it is currently not used
   - to make it easier to merge another implementation

 o misc minor cleanup
1999-05-08 14:23:40 +00:00
Poul-Henning Kamp
cb40a67f2b Fix some disordering I introduced with the jail code. 1999-05-08 07:00:04 +00:00
Poul-Henning Kamp
4be2eb8c49 I got tired of seeing all the cdevsw[major(foo)] all over the place.
Made a new (inline) function devsw(dev_t dev) and substituted it.

Changed to the BDEV variant to this format as well: bdevsw(dev_t dev)

DEVFS will eventually benefit from this change too.
1999-05-08 06:40:31 +00:00
Peter Wemm
dfd5dee1b0 Add sufficient braces to keep egcs happy about potentially ambiguous
if/else nesting.
1999-05-06 18:13:11 +00:00
Luigi Rizzo
eaa726bed6 Free the dummynet descriptor in ip_dummynet, not in the called
routines. The descriptor contains parameters which could be used
within those routines (eg. ip_output() ).

On passing, add IPPROTO_PGM entry to netinet/in.h
1999-05-04 16:20:33 +00:00
Luoqi Chen
cb64988f42 Postpone route_init() until all domains are attached. 1999-04-29 03:22:19 +00:00
Poul-Henning Kamp
75c1354190 This Implements the mumbled about "Jail" feature.
This is a seriously beefed up chroot kind of thing.  The process
is jailed along the same lines as a chroot does it, but with
additional tough restrictions imposed on what the superuser can do.

For all I know, it is safe to hand over the root bit inside a
prison to the customer living in that prison, this is what
it was developed for in fact:  "real virtual servers".

Each prison has an ip number associated with it, which all IP
communications will be coerced to use and each prison has its own
hostname.

Needless to say, you need more RAM this way, but the advantage is
that each customer can run their own particular version of apache
and not stomp on the toes of their neighbors.

It generally does what one would expect, but setting up a jail
still takes a little knowledge.

A few notes:

   I have no scripts for setting up a jail, don't ask me for them.

   The IP number should be an alias on one of the interfaces.

   mount a /proc in each jail, it will make ps more useable.

   /proc/<pid>/status tells the hostname of the prison for
   jailed processes.

   Quotas are only sensible if you have a mountpoint per prison.

   There are no privisions for stopping resource-hogging.

   Some "#ifdef INET" and similar may be missing (send patches!)

If somebody wants to take it from here and develop it into
more of a "virtual machine" they should be most welcome!

Tools, comments, patches & documentation most welcome.

Have fun...

Sponsored by:   http://www.rndassociates.com/
Run for almost a year by:       http://www.servetheweb.com/
1999-04-28 11:38:52 +00:00
Mike Smith
f8dc47162a Allow loadable interface drivers with BPF support to be loaded into a kernel
that doesn't have it.  This is achieved by having minimal do-nothing stubs
enabled when there are no bpfilter devices configured.

Driver modules should be built with BPF enabled for maximum
convenience (but can be built without it for maximum performance).
1999-04-28 01:18:13 +00:00
Poul-Henning Kamp
f711d546d2 Suser() simplification:
1:
  s/suser/suser_xxx/

2:
  Add new function: suser(struct proc *), prototyped in <sys/proc.h>.

3:
  s/suser_xxx(\([a-zA-Z0-9_]*\)->p_ucred, \&\1->p_acflag)/suser(\1)/

The remaining suser_xxx() calls will be scrutinized and dealt with
later.

There may be some unneeded #include <sys/cred.h>, but they are left
as an exercise for Bruce.

More changes to the suser() API will come along with the "jail" code.
1999-04-27 11:18:52 +00:00
Peter Wemm
e306e8ea66 Temporary hack. The radix code shouldn't need this, it should be
able to expand the zeros, ones etc masks on the fly.  It seems a good
number of domains don't set the rn_maxkey variable anyway, and because
this is a domain itself, there is no guarantee we've been called after
a protocol that actually has set it (ie: inet), so start with a maxkey
of a relatively sane size as a base point until it can adapt on the fly.
1999-04-26 09:05:31 +00:00
Peter Wemm
8ba5bdae2a Protect the ifinit() function's internals with splimp() for safety since
it used to be that way. I'm not sure that it's needed, but it does
walk the ifp list..

Incidently, there's nothing to sanity check the ifq_maxlen on loaded
interfaces..
1999-04-26 09:02:40 +00:00