On Thu, Sep 19, 2002 at 09:45:32AM -0700, Greg KH wrote: > > What I am aiming at, is using the TUN (http://vtun.sourceforge.net/tun/) > > driver to capture packets sent to the net, and actually sending them > > to my PCI board. This looks like pure kernel activity. Can't it be > > done without involving userland ? > > Why would you want to? Just grab the packets from userspace, and then > send them to your driver from userspace. You can do blocking reads much > easier that way, and don't have to worry about internal file handles, > and getting the segment registers correct, and other such stuff. Wouldn't it be easier to do things directly? I mean either registering your own device (possibly using the TUN code, but not as a whole), or adding a filter in appropriate place in the real driver. ------------------------------------------------------------------------------- Jan 'Bulb' Hudec <bulb@ucw.cz> -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
