On Tue, Aug 30, 2005 at 12:19:59PM +0200, Harald Welte wrote:
The D-Link DWL-G730AP devices from the Kernel Summit run Linux, And it's
likely a GPL violation, too, since sources are nowhere to be found.
*lol*. Interestingly they must have twiddled the IP stack since when I
tried an "nmap" on the device, it didn't recognize it as a Linux TCP/IP
stack.
They're based on a Marvell Libertas AP-32 (ARM9) design, similar
to the ASUS WL-530g. A bootlog from the ASUS (which has telnet enabled
for some reason, and thus can be logged in) is at the end of the mail.
So you grabbed that bootlog from the ASUS device, or from the D-Link?
This is from the ASUS.
If it is from the ASUS, what makes you think that the D-Link runs the
same OS? It is quite often the case that one chipset design has
multiple operating systems ported to it (you see systems with the same
broadcom or Intersil chipset, one running Linux, the other VxWorks).
Please indicate how you came to the conclusion that the D-Link really
runs Linux.
The device's ESSID during boot is 'Marvell AP-32', and the Libertas
AP-32 and AP-52 design toolkits contain only ports of Linux and eCos to
the device, according to Marvell. Considering the device's routing
capabilities I'm believe it's running Linux, but I don't have a solid
proof yet, unfortunately. The eCos port is intended for the non-router
variety of the design.
On the other hand, eCos seems to be GPL, too, although it's possible
that the owner dual-licenses it.
A firmware image is available from D-Link
and it seems to be composed of compressed blocks padded by zeroes. I haven't
verified yet that it's indeed a compressed kernel, cramfs, etc, but it seems
quite likely.
I'm downloading it right now, and I'll see whether I can find any Linux
in there.
Good luck. I'll try to take a look, too.
Anyone interested in dissecting it, and pushing D-Link/Marvell to release
the kernel sources?
Sure, it's (unfortunately) not the first time I'm dealing with D-Link on
their GPL [in]compliance :((
Rather unrelated, I'm trying to figure out what to do with Elo
Touchsystems, they used my HID driver as a base of their own binary-only
driver and don't answer to e-mail.
I'd love to get more out of this cute device ...
If the design really is identical enough to the ASUS device, then I
suggest looking into
http://dlsvr02.asus.com/pub/ASUS/wireless/WL-530g/GPL_1825.zip
I'll take a look, thanks!
--
Vojtech Pavlik
SuSE Labs, SuSE CR
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