Frank Neuber wrote: > > I write a kernel module that control all network interfaces via > an hardware plug on the parallel port. If the plug is connected to > the parallel port then (after a few seconds) the network interface > should stop. If th plug is disconnected then the network interface should > comes up with the same configuration. In other words, it should be the > same behaviour to the network as an diconnected cable on the NIC while > the plug is connected. > > What is the right layer/function to realize this? It should be independent > from the hardware. Should I block the transmit and receive functions > in the networking layer? Or is there a simple way to do this. > Well, the network is configured from user space - so I would stop the network from user space. I would write a daemon that observes the parport and calls a script like "rcroute stop;rcnetwork stop" and "rcnetwork start;rcroute start" - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
