Hi,
I am trying to implement the raw socket mechanism under Netgraph by setting the
ng_ksocket node type as a raw socket. My purpose is to fill "by hand" the IP
and UDP headers and then forward the so created packet to the raw socket to be
delivered to the appropriate next hop.
I suppose I need to set the socket options as:
setsockopt(sd,IPPROTO_IP,IP_HDRINCL,...).
I found that the equivalent in the Netgraph is the control message "setopt".
I've tried to set the options as:
ngctl msg node_name: setopt {level=IPPROTO_IP name=IP_HDRINCL value=}
but it doesn't work. Also I don't know exactly which is the value of the
"value" parameter. I would ask you how to set the options for the raw socket
and if it is correct to type that command line.
Thank you,
Serena
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