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README: Add notes about netlink monitoring requirements

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Marcel Holtmann 2014-08-03 08:07:35 +02:00
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@ -74,3 +74,20 @@ and it can be verified with the busctl utility from systemd:
:1.2 62153 busctl root :1.2 sd-busctl
Clients talking to the daemon must specifiy the private bus address.
Netlink monitoring
==================
The included iwmon utility can be used to monitor the 802.11 subsystem
generic netlink commands and events. It uses the nlmon kernel driver
from Linux 3.10 and later.
In order to use iwmon to create traces, the nlmon network interface
needs to be created:
ip link add name nlmon type nlmon
ip link set dev nlmon up
For now it is important that the netlink monitor interace is actually
named nlmon. Future version might relax this requirement.