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ng_ip_input - netgraph IP input node type
The ip_input node type takes all received packets and queues them into
the IP in input processing subsystem.
An ng_ip_input node accepts any request to connect, regardless of the
hook name, as long as the name is unique.
This node type supports only the generic control messages. Other control
messages are silently discarded.
This node shuts down upon receipt of a NGM_SHUTDOWN control message, or
when all hooks have been disconnected.
The ng_ip_input node type was implemented in FreeBSD 5.0.
Brooks Davis 〈brooks@FreeBSD.org〉
The ng_ip_input node type should probably keep some sort of statistics.