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README: Add paragraph about mac80211_hwsim simulation support

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Marcel Holtmann 2014-08-08 15:50:04 -07:00
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@ -91,3 +91,24 @@ needs to be created:
For now it is important that the netlink monitor interace is actually For now it is important that the netlink monitor interace is actually
named nlmon. Future version might relax this requirement. named nlmon. Future version might relax this requirement.
Simulating devices
==================
The Linux driver mac80211_hwsim provides the functionality to simulate
Wireless devices using fake virtual air. Just load the module.
modprobe mac80211_hwsim radios=0
Provding the radios=0 is important since otherwise it starts out with
two new Wireless radios by default.
With the provided hwsim utility it is now possible to add and remove
virtual radio devices.
hwsim --create
hwsim --destroy=<radio-id>
The radio id assigned to each virtual device is its internal id used
by the Wireless device.