On Wed, May 21, 2008 at 12:37:31PM -0400, Robert Craig wrote:
> For those of you not following the io-net migration forum,Sean has just added the capability to dynamically modify 
interface MAC addresses to the stack.  This uses the SIOCSIFADDR ioctl.
> 
> # ifconfig wm0 link 00:01:02:03:04:05         <- add (don't activate)
> # ifconfig wm0 link 00:01:02:03:04:05 active  <- add and activate.
> # ifconfig wm0 link 00:01:02:03:04:05 delete  <- delete.
> 
> 
> As a side note to this, for those of you using the SIOCSIFLLADDR to set the MAC address with the atheros driver, this 
has now been removed in favour of the generic routine.  Note that this requires a complete clean and re-build in order 
to make things work.
> 
> 
> This requires a clean re-build of everything.  The interface structures have been modified which results in binaries 
no longer being backwards compatible.

Everything under sys.  Traditional userland apps are OK.

-seanb