register_netdevice_notifier

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hi all,

can anyone just lemme know what this function does in linux 2.4.6

register_netdevice_notifier(&fib_netdev_notifier);
register_inetaddr_notifier(&fib_inetaddr_notifier);

we have 2 functions to put entries into the fib table (routing table in
linux)
1.ip_rt_ioctl
2.fib_magic

why do we have 2 functions n what is thier significance????

>From what i have seen is that fib_magic intialises the local table entries
during start up & ioctl call is called when we manually add route from the
command line.. Just want to know whether this is correct..



Thanks & Regards
Lakshmi

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