CRC mode by sending CRC frames ourself. But we don't need
to drop these CRC-less frames.
> There should be a way to go back from flexnet crc mode, shouldn't it ?
Nope, but it should be possible to disable CRC modes completely.
--
Joerg Reuter http://pobo
On Tue, Jun 27, 2000 at 09:53:05AM +0200, Joerg Reuter wrote:
> I'll take a look where it happens.
Strange, I cannot find a reason for this behaviour. At least
skb->protocol gets set correctly in all places. We either
have memory corruption here or a weird race condition. I'
On Mon, Jun 26, 2000 at 10:17:01PM +0200, Guy Roelant wrote:
> As soon as i run ax25digi, i begin seeing the message
> kernel: protocol 7861 is buggy, dev ax1 (or ax2)
> in my /var/log/messages
It is more or less harmless. Someone forgot to set
skb->nh.raw to skb->data before he tried to send a
On Fri, Jun 23, 2000 at 01:19:37AM +0100, Dave Staniforth wrote:
> What has happened is that if a user connects into my node via the
> PCFLEXNET node, then it seems to affect the AX25 timers for anyone
> else connecting into my node direct.
This is expected behaviour: you cannot have user-to-us
rdware
is working correctly (good RAM, no overclocked processor, etc)?
BTW, I'll be away for at least the next two weeks...
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is wait
Outb(scc->data,*skb->data); /* send byte */
skb_pull(skb, 1);
Seems it is trying to transmit data from an skb with
skb->data == NULL. How is *that* possible? [Alan...?]
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where th
Hi folks,
just a quick notice that I'm moving from Aachen to Nuremberg and
will be without Internet access for a couple of days (and little
time for some weeks).
Regards,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of
> I want to use SCC with Slackware 7.0 and kernel version 2.2.13 (or above)
> Everything looks fine, sccinit works, but it doesnt work.. sccstat tells,
> that all is OK, but I don't see interrupts... No Rx and no Tx.
Are you sure the interrupt is correct?
73,
am
> writer) has to access the axports file at all.
For the symbolic port name / device mapping. We can tweak axlib in
a way that it returns the real name instead of the symbolic one by
completely ignoring axports -- but this needs further investigation
and isn't *that* i
, as you may
have received a faulty frame or using KISS extensions (CRC, multiport),
but this shouldn't be too common. Anyway, autodetection should work
in 99% of all cases, for the rest a command line switch can take care
of it.
73,
Joerg Reuter http://poboxes
are useful only for Node -- in fact, all information in
{ax,nr,rs}ports would be interesting only for Node if kissattach
would take a "speed" parameter... But that's only my opinion.
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where
> However, do you really expect Joe Packet to dig into
> an XML file?
Heaven forbid, no!
> I say store it in XML if you really want, but give us an
> easy to use configuration-program/web-front-end
That's the concept.
73,
Joerg Reuter h
ink he's got it! ;-)
> We should, that´s another thing on the to do list. Ifconfig supports
> AX.25 hwaddresses, ip did not last time I checked.
It just supports colon-seperated hex values. Urgh.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make m
best sollution. At least it could take care of the loop issue.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
net-based interlinks. But it shouldn't be hard to do all this
> over plain ip, if the platform supports it.
Links and user access should be TCP/IP based but with AX.25
interoperability to nodes that aren't IP capable. It doesn't
make much differen
nd Rose) we need unique addresses only for applications that don't
use it yet (so far none uses it, though). I don't know whether NET/ROM
or Rose rely on it, though.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soi
e of
the connection to see what's going on.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
-10 db0ach
...
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
right way? Flexnet surely isn't, it's still doctoring
on a protocol rooted in a low-speed, low-noise cable-bound environment,
hacked to work over radio. Doing it the Right Way would be to develop
something like Bluetooth, but for WANs.
73,
Joerg Reuter
irectory, etc.
An other well-known DoS is the fork bomb -- probably combined with
allocating lots of memory. ulimit(3) comes into play here.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
> I have a question about the parameter set in
> /proc/sys/net/ax25/interface_name/maximum_packet_length
It sets the maximum number of octets in the data field (without the PID),
in other words: the maximum length of the payload.
73,
Joerg Reuter
Hi Jens,
sorry, took a while to respond. I haven't found the time to actually
test it, but I've skimmed over the patch. As far as I can see it
looks fine, but I've some remarks.
- Have you seen the solution for ax25_info in 2.3.x? That way it's
possible to easily remove support for the old str
tions.
73,
Jörg
ax25-sockaddr-patch.gz
ax25-bindtodev-test.c.gz
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
Hi Alan,
thank you for the reply.
> 1003.1g says the user is entitled to use any buffer size they like and
> get half a sockaddr back. Going the other way (eg connect) we are quite
> in the right to require the full sockaddr.
Don't worry, I wasn't going to touch ax25_getname() and ax25_recvmsg(
e problems.
73,
Jörg
ax25-sockaddr-patch.gz
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
though. The KISS EPROMs for the TheNetNode token ring seem to notify TNN
of DCD changes, but I don't know how this is implemented.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything
space solution for adaptive parameter schemes
- implement ACLs instead of a direct UID -> callsign mapping
- implement a simple input filter for incoming frames
(both maintainable through procfs)
Comments? More ideas? How could the new structures for the API
look like? Did I forget something?
ar. Folks, get a grip.
[NB: all uses of "you" in this text are proverbial unless stated otherwise]
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
istence etc. RR+ is
>sent after we got RR-, caused snowball effect with too low T1
Ouch. Okay, but be careful that this doesn't lead to starving connections
in return.
> - changed T1 calculation. It was too low on 1200bd links. I think timers
>still need adjusting.
e to lock (you can
initialize the BRG for 9600 baud and it still locks on 1200 baud).
In the special satellite case a differen MAC scheme would be required
anyway... How about making it plugable?
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where
I doubt it works for the BayCom USCC but I cannot test it as I
have an unmodified card.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there
> > You can and should use 6PACK instead...
> Which doesn't work with the new AX.25 code...
Yet...
Reminds me to give Andreas a kick in his ... um, nevermind. ;-)
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of
good your concepts may be -- we need to walk a
small path between flexibility and conservativism to keep it working
under most circumstances. This is not an academic concern -- I've
been bitten by these problems many times before.
Joerg Reuter http://poboxes.com/
nice. Plus a 70cm TRX that takes a 455 kHz base band signal for
in- and output, frequency adjusted by two PLLs (one for TX, one for RX)
and other measurements to keep down switch time... And both together
shouldn't be more expensive than EUR 300... Yes, I know, I'm dreaming.
Joerg Reu
or hobbyists.
That's exactly the one reason why I'm still using my USCC card instead of
a sound card MODEM...
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is wai
ing
setup.
> Don´t forget that
> depending on the transceiver in use txdelay could be up to 250 ms
> (e.g. "9600Bd-ready" commercial mobile transceivers from japan).
I know these crappy trx. It simply doesn't work with this configuration.
Joerg Reuter
y want to support them for
this mode. My idea is rather to printk() a rude message if someone tries
to use a device like that on a DAMA master controlled channel...
Passing down P-Persistence from the DDI doesn't make much sense even for
KISS TNCs, as the DDI doesn't g
designed MODEM should delay RTS itself *hint hint
nudge nudge*. ;-)
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
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missing?
- what else do we want?
- how can we implement this without breaking applications?
- how can we implement it without inventing [too many] new API elements?
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
(!warned) {
+ printk(KERN_INFO "%s uses old SIOCAX25GETINFO\n",
+ current->comm);
+ warned=1;
+}
+
+if (copy_to_user((void *)arg, &ax25_info, sizeof(struct ax25_info_struct_depreciated)))
+ return -EFAULT;
+ } else {
+if (copy_to_user((
o at time .
A of '@' signals that the filter has been switched
off. This command corresponds with the "f" item in the
facility string of the HOST command.
I hope this helps you to implement your own playground...
Fred Baumgarten,
that evolves. The code is designed after
the SDL diagrams and glued to the rest of the networking code with an
ever-changing interface. The worst thing is the transmition of IP
datagrams through the arp mechanism, but it was the only possible solution
to conform to the device driver model at the tim
time.
Besides, you won't get it past Linus anyway.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
fprintf(stderr, " -L listen-port:host:port Forward local port to remote
address\n");
fprintf(stderr, " -R listen-port:host:port Forward remote port to local
address\n");
Yes, that's all! ;-)
73,
Joerg Reuter
eaders will get broken packet.
* --ANK (980803)
I don't quite understand what a protocol handler is supposed to do,
quite frankly I don't understand much of the "new" (as of 2.1.x)
networking code anyway...
Joerg Reuter
uot; support for axspawn, but I haven't
found a portable, race-condition-free way to do this.
> I only want to use axspawn for user creation. I don't want to give
> shell access as a default, therefore my standard shell will be
> ftponly.
Erm, you shouldn't use real use
ay, that part of the code is poor style,
regardless the warning.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
ains uninitialized.
But this can only happen if we get a transmit buffer with a negative
length from dev.c -- if this really happens I bet all the hell
breaks loose... ;-)
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm sce
> Please do not drop /dev/scc*
Please drop them for any distribution based on kernel-2.2. /dev/scc* are
gone for good. (Anyone who installs a 2.0.x kernel and really _really_ wants
to use the more-or-less broken KISS TNC emulation can create them himself.)
Regards,
Joerg Reu
es not work reliably.)
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
g, that's outright blatant.
(ATTN Kai: SuSE 6.1 comes with AX.25, NET/ROM and (I believe) ROSE compiled in,
but fails to provide a dhcpd 2 client being aware of these protocols. Is this
solved in 6.2 yet?)
Regards,
Joerg Reuter http://poboxes.com/jreuter/
And I
an try the pre-compiled
utilities in the archive. I think RH 5.2 was a glibc based system, recompiling
the utilities yourself is a bit tricky and requires some adjustments of the
#includes.
Regards,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where
version*. It currently has
severe stability problems regarding the filesystems. Use at your
own risk, your mileage will vary, etc pp.
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is
for them...)
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
> >use z8530drv v3.x and kernel 2.2.x
>
> Is there also a patch available for 2.0.36 ?
Yes, See ftp://ftp.ccac.rwth-aachen.de/pub/jr/
But it's not for the faint-hearted... ;-)
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way
e all minor issues, I really like that thing. Good work!
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
, so if one was missed, the thing
> stopped working until it saw as many acknowledgements as it had issued
> interrupts.
I know, but how am I supposed to acknowledge an interrupt I've lost? I
need some kind of watchdog to find those occurences... Well, at least
it's rather simple to implement
reliable because it re-initializes an SCC channel on every tx/rx switch,
as long as NETCHL doesn't access the HD or FD not much else happens on
the system, hence (almost) no lost interrupts, etc.
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my wa
uiped with
broken second-source versions of Zilog's Z8530 on a broken PC
architecture?
> If there are others with this problem please speak now.
...and perhaps pass me copy when this happens, with the version of
the z8530drv you are using and the output of cat /proc/net/z8530drv.
73,
Joerg
d of the sender, with embarrassing results.
Even worse, some mail clients hide the real address a reply will go to,
or don't allow to change it.
> Many MUA (OK, at least one: pine) give you the option of using the
> Reply-To: or not.
That works both ways: the one I use (exmh) gives me
cations with this
library (and I *hate* writing user interfaces).
You don't even need the rest of Gnome to write Gnome applications,
just gnome-libs plus some few additional libraries...
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where
made up to now are fairly untested because
> I haven´t got the appropiate hardware to test it myself.
I'll spread the word... ;-)
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Every
ef AX25_CONFIG_DAMA_SLAVE. Is this correct ?
Nope, it isn't. Thanks!
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
entation provided) and waiting for the changes
of the ax25-utils...
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
it alone.
Again: it gets only called by the DAMA Slave, and then only
if you are actually have connected a DAMA Master. "Normal" AX.25
operation _never_ calls this code.
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm
ARFC-002: AMTOR, ARFC-025: AX.25 L2V2.0,...)
Gotta wake up, I'm dreaming again...
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there (Anne Clark)
PGP signature
1 root root33260 Dec 16 06:59 scc.o
That may well be, I don't know if the compiler optimizes the same whether
you compile the driver stand-alone or with the linux kernel...
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where
t; >/proc/sys/net/ax25/DEV/standard_window_size
(replace DEV with the device name of that port, for example scc3 or ax0).
73,
Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is
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