On Thu, Feb 24, 2011 at 04:04:43PM +0100, Gaetano Catalli wrote: > >> Why this tap device could be opened more than one time? > > > > Any network device can be opened multiple times with netdev_open(). > > > I apologise for bothering you with all these questions about the same topic. > Can you explain me why there is difference between the first user and > the following users?
The first user is the one that causes the tap device to be created. It is normally do_add_port() in lib/dpif-netdev.c, for a tap device. This is the client that wants to use the device to send and receive packets. > I'm working at netdev level, so I can't see this difference, which is > probably observable at an higher level. OK. I hope that my explanation helps. _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev_openvswitch.org
