Re: ioctls for token ring (2.3.x)
De Schrijver Peter (schrijvp@rc.bel.alcatel.be)
Thu, 23 Dec 1999 15:30:19 +0100
On Thu, Dec 23, 1999 at 06:46:56AM +0000, Adam Fritzler wrote:
>
> Are ioctls broken for token ring? The function I register in
> dev->do_ioctl never seems to get called by ifconfig.
>
> I'd like to be able to add the feature of changing my cards' MAC address
> using ifconfig without resorting to adding a module parameter to do so at
> insmod time. This is for the TMS380 token ring driver. Several cards can
> be supported chipset-wise, but they can cannot be _used_ because I don't
> have EEPROM-reading routines written specifically for them (yet), and
> therefore they load and initialize with a zeroed MAC. The only thing
> needed to get them working is manually setting the MAC address to
> something reasonable, usually by adding stuff to the driver to set it.
>
> I could just add a module parameter, but that gets tricky to handle when
> your driver supports multiple cards (specifically, how to answer: which
> card gets the passed-in parameters?). If I could support it with
> ifconfig, it would would be simple: Just insmod, "ifconfig tr0 hw tr
> xx:xx:xx:xx:xx:xx", and then "ifconfig tr0 x.x.x.x". (Granted, you can't
> change the MAC address once the adapter has been opened, but its fine just
> after you insmod.)
>
Why not just use dev->set_mac_address ? It works fine for olympic, so I guess
it should work for you as well :)
> I've read through the net-tools/ifconfig source, and it uses the
> SIOCSIFHWADDR ioctl to set the hardware address. I have that code all
> implemented, its just that the ioctl function is never getting called.
>
> Suggestions? This is 2.3.28 (I should upgrade...) and CVS net-tools.
>
> af
>
> PS: Token ring people might be interested....
>
> tms380tr.c: v1.04 22/12/1999 by Christoph Goos, Adam Fritzler
> tr0: Madge Smart 16/4 BM PCI Mk2 Ringnode (Abyss)
> tr0: IO: 0xe400 IRQ: 11
> tr0: SEEPROM: ring speed: 16Mb/sec
> tr0: SEEPROM: adapter RAM: 512kb
> tr0: Ring Station Address: 00:00:f6:af:8e:23
>
> Thanks to Madge/Olicom for donated cards and info! Cardbus and ISA
> support is next. Then hopefully Olicom's OC-3540 100/16/4 card (anybody
> have an extra token ring switch? :)
Do these things really exist ?
Peter.
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