On Thu, Dec 07, 2006 at 12:43:07PM +0700, Mulyadi Santosa wrote: > Hi Jeongki ... > > > I implemented a module using "http://kernelnewbies.org/Simple_UDP_Server";. > > So, now I can send and receive unicast messages inside kernel. > > But, I need to send and receive broadcast messages inside kernel. > > How can I change the code using above one? > > I am not so sure, but IIRC sending to broadcast address such as > 192.168.255.255 on 192.168.0.0/16 network will do what you want. As for > receiving the broadcast data, I think simply listen to the designated port > will do the trick. Mind you again, this is just my guess. Usually broadcast is a bad idea. I think what you want is multicast with a Class D address. Look at DVMRP -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
