[dpdk-dev] [PATCH] examples/l2fwd-event: set RSS based on device capabilities

[Jerin Jacob]

On Mon, Dec 16, 2019 at 11:16 AM Jerin Jacob <jerinjacobk at gmail.com> wrote:
>
> On Mon, Dec 16, 2019 at 11:07 AM <pbhagavatula at marvell.com> wrote:
> >
> > From: Pavan Nikhilesh <pbhagavatula at marvell.com>
> >
> > Setup RSS configuration based on underlying device capabilities.
> >
> > Signed-off-by: Satananda Burla <sburla at marvell.com>
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> > ---
>
>
> Please add Fixes: and cc stable as well as it is a fix for the bug.

Ping

>
>
> >  examples/l2fwd-event/l2fwd_common.c | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> >
> > diff --git a/examples/l2fwd-event/l2fwd_common.c b/examples/l2fwd-event/l2fwd_common.c
> > index 0c069ec35..2fae6f52c 100644
> > --- a/examples/l2fwd-event/l2fwd_common.c
> > +++ b/examples/l2fwd-event/l2fwd_common.c
> > @@ -46,6 +46,17 @@ l2fwd_event_init_ports(struct l2fwd_resources *rsrc)
> >                 if (ret != 0)
> >                         rte_panic("Error during getting device (port %u) info: %s\n",
> >                                   port_id, strerror(-ret));
> > +               local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
> > +                       dev_info.flow_type_rss_offloads;
> > +               if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
> > +                               port_conf.rx_adv_conf.rss_conf.rss_hf) {
> > +                       printf("Port %u modified RSS hash function based on hardware support,"
> > +                              "requested:%#"PRIx64" configured:%#"PRIx64"",
> > +                               port_id,
> > +                               port_conf.rx_adv_conf.rss_conf.rss_hf,
> > +                               local_port_conf.rx_adv_conf.rss_conf.rss_hf);
> > +               }
> > +
> >                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
> >                         local_port_conf.txmode.offloads |=
> >                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
> > --
> > 2.17.1
> >