From: Kan Liang <kan.liang@xxxxxxxxx>
Net policy needs to know device information. Currently, it's enough to
only get irq information of rx and tx queues.
This patch introduces ndo ops to do so, not ethtool ops.
Because there are already several ways to get irq information in
userspace. It's not necessory to extend the ethtool.
Signed-off-by: Kan Liang <kan.liang@xxxxxxxxx>