On Wed, 8 Nov 2023 13:30:21 -0800 Nelson, Shannon wrote: > > Another source of a bug like this could be that your driver does not in > > fact call xdp_do_flush() before exiting its NAPI cycle, so that there > > will be packets from the previous cycle in the bq queue, in which case > > the assumption mentioned in the linked document obviously breaks down. > > But that would also be a driver bug :) > > We do call the xdp_do_flush() at the end of the NAPI cycle, just before > calling napi_complete_done(). Just to be sure - flush has to happen on every cycle, not only before calling napi_complete_done().
