On Mon, Jun 27, 2016 at 11:35:19PM +0100, Pablo de Lara wrote: > Number of forwarding cores must be equal or less than > number of forwarding streams, otherwise two cores > would try to use a same queue on a port, which is not allowed. > > Fixes: f2bb7ae1d204 ("app/testpmd: handle all Rx queues in RSS setup") > > Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com> > --- > app/test-pmd/config.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c > index 9ccabf9..de60284 100644 > --- a/app/test-pmd/config.c > +++ b/app/test-pmd/config.c > @@ -1236,6 +1236,10 @@ rss_fwd_config_setup(void) > cur_fwd_config.nb_fwd_streams = > (streamid_t) (nb_q * cur_fwd_config.nb_fwd_ports); > > + if (cur_fwd_config.nb_fwd_streams < cur_fwd_config.nb_fwd_lcores) > + cur_fwd_config.nb_fwd_lcores = > + (lcoreid_t)cur_fwd_config.nb_fwd_streams; > + > /* reinitialize forwarding streams */ > init_fwd_streams(); > > -- > 2.5.5
Tested with: - coremask allowing to use 12 cores for 4 txqs and 4 rxqs. - coremask allowing to use 12 cores for 6 txqs and 6 rxqs. - coremask allowing to use 12 cores for 8 txqs and 8 rxqs. It fixes the issue. Tested-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com> -- N?lio Laranjeiro 6WIND