Jan Kiszka wrote:
Paulo Stein wrote:
Hi,
I would like to know what is the better way to get the mac address of a
device associated with a socket. I'm working with raw sockets in kernel
mode, and I'm not figuring out what to use.
Feature not implemented. We need SIOCGIFHWADDR for this, which is
trivial to add, just takes someone to start...
Ok, I will see what I can do.
Well, actually the feature is implemented, but over the non-RT
configuration interface /dev/rtnet: IOC_RT_IFINFO (see also rtifconfig
tool). You may use this interface as is, but I would try to keep away
from it with application code.
Yes, I've noticed. As I'm in kernel mode, I didn't mind taking a closer
look at it.
Thanks again,
Paulo
Reason: The plans for the future are to kill /dev/rtnet and switch to
IOCTLs (standard ones like above + our owns) over RTnet sockets also for
configuration purposes. We now have mature user-space real-time and
don't need such side channels anymore. The CAN stack in Xenomai already
demonstrates this path nicely, and RTnet may even share device
management code with the CAN stack one day.
Jan
Thank you very much,
Paulo
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