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[NET]: Network Event Notifier Mechanism.
This patch uses notifier blocks to implement a network event
notifier mechanism.
Clients register their callback function by calling
register_netevent_notifier() like this:
static struct notifier_block nb = {
.notifier_call = my_callback_func
};
...
register_netevent_notifier(&nb);
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>