On Mon, 18 Nov 2019 12:18:33 -0600 Thinh Tran <thin...@linux.vnet.ibm.com> wrote:
> Simple change to enable scatter for Mellanox CX4/CX5 PMDs > to run this example > > Signed-off-by: Thinh Tran <thin...@linux.vnet.ibm.com> > --- > examples/ip_reassembly/main.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/examples/ip_reassembly/main.c b/examples/ip_reassembly/main.c > index d59e6d02f..f881b89d1 100644 > --- a/examples/ip_reassembly/main.c > +++ b/examples/ip_reassembly/main.c > @@ -1109,6 +1109,9 @@ main(int argc, char **argv) > port_conf.rx_adv_conf.rss_conf.rss_hf, > local_port_conf.rx_adv_conf.rss_conf.rss_hf); > } > + /* Mellanox PMDs needs scatter mode to be explicitly enabled */ > + if (!strcmp(dev_info.driver_name, "net_mlx5")) > + local_port_conf.rxmode.offloads |= > DEV_RX_OFFLOAD_SCATTER; This is a bad, bad precedent. Either fix MLX driver or enable it for all PMD's. Forcing applications to do workarounds indicates a poor design abstraction.