FreeBSD kernel module and sending udp packets

Julian Elischer julian at elischer.org
Mon Dec 8 15:22:56 PST 2008


Ferner Cilloniz wrote:
> Yes I am writing my own loadable kernel module such that I can send a
> UDP packet when i tell it to by issuing a homemade system call.
> 
> I have been looking at /usr/src/sys/netgraph/ng_sample.c
> 
> Am i supposed to implement the functions in that file? I am a little
> lost. I only want to send a UDP packet and in that file I see functions
> concerning receiving.
> 
> Is there any other way?
> 
> Thanks Julian and everyone else.
>


If you won't receive, then just don't implement it :-)
on the other hand if you are really only doing packet level output
then maybe you would look at ng_source.c

which simply acts as a source of packets

you need to give a bit more details to what you want to do..\


More information about the freebsd-net mailing list