# Re: SIOCADDMULTI for unicast broken

- From: Krzysztof Halasa \<khc@pm.waw.pl\>
- Date: 2003-01-06 15:00:33 
- List: netdev
- Page: https://ratatoskr.run/netdev/2003/01/10733297
- Thread: https://ratatoskr.run/netdev/2003/01/10733271/t.md

```text
Jeff Garzik [ref] writes:

> No!  procfs additions are discouraged.  sysfs in 2.5.x if you _must_
> do this, but SIOCDEVPRIVATE or just flat out maintaining a kernel
> patch against a stable kernel tree would be much preferred, I think.

Still, SIOCDEVPRIVATE should _not_, in my opinion, be used for anything
but hacks.
For example, we should stop using it for configuring ethernet bridges:

net/bridge/br_device.c: if (cmd != SIOCDEVPRIVATE)
-- 
Krzysztof Halasa
Network Administrator
```