MAC address runtime configuration in new driver (was Re: ...no subject)

[Stefan Richter <stefanr@s5r6.in-berlin.de>]

Jose Luis Marchetti wrote:
> Hi,
> 
> I would like to open/read/write/close a regular file from my device
> driver.
> I think it would be possible, but I am confused, the "The Linux Kernel
> Module Programming Guide" states that I can not use standard libraries
> from within a module, I know the standard library ends up calling
> system calls, but which calls should I use to deal with regular
> files ?

http://kernelnewbies.org/FAQ/WhyWritingFilesFromKernelIsBad discusses this.

> I am developing a Ethernet driver and the Mac address configuration
> 
> Thanks in advance!
> 
> José Luís Marchetti

Userspace could write the necessary configuration data into the kernel,
for example a sysfs attribute.  Of course the attribute could also be
readable.  But perhaps there are already established mechanisms for
exactly this purpose.  I added Cc: netdev, maybe somebody there can give
advice.
-- 
Stefan Richter
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http://arcgraph.de/sr/