On Wed, 8 Jan 2025 14:06:35 -0800 David Wei wrote: > From: Pavel Begunkov <asml.silence@xxxxxxxxx> > > Zerocopy receive needs a net device to bind to its rx queue and dma map > buffers. As a preparation to following patches, resolve a net device > from the if_idx parameter with no functional changes otherwise. How do you know if someone unregisters this netdevice? The unregister process waits for all the refs to be released, for *ekhm* historic reasons. Normally ref holders subscribe to netdev events and kill their dependent objects. Perhaps it is somewhere else/later in the series... > +#include <linux/rtnetlink.h> Do you need anything more than rtnl_lock from this header?
