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* [dpdk-stable] [dpdk-dev] [PATCH v2] examples/l2fwd-event: fix ethdev RSS setup
       [not found] <20191216053736.792-1-pbhagavatula@marvell.com>
@ 2020-01-14  5:52 ` pbhagavatula
  2020-01-14 20:37   ` Jerin Jacob
  0 siblings, 1 reply; 2+ messages in thread
From: pbhagavatula @ 2020-01-14  5:52 UTC (permalink / raw)
  To: jerinj, Marko Kovacevic, Ori Kam, Bruce Richardson, Radu Nicolau,
	Akhil Goyal, Tomasz Kantecki, Sunil Kumar Kori, Pavan Nikhilesh
  Cc: dev, stable, Satananda Burla

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Setup RSS configuration based on underlying device capabilities.

Fixes: 4ff457986f76 ("examples/l2fwd-event: add default poll mode routines")
Cc: stable@dpdk.org

Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 v2 Changes:
 - change the patch type to fix.

 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


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [dpdk-stable] [dpdk-dev] [PATCH v2] examples/l2fwd-event: fix ethdev RSS setup
  2020-01-14  5:52 ` [dpdk-stable] [dpdk-dev] [PATCH v2] examples/l2fwd-event: fix ethdev RSS setup pbhagavatula
@ 2020-01-14 20:37   ` Jerin Jacob
  0 siblings, 0 replies; 2+ messages in thread
From: Jerin Jacob @ 2020-01-14 20:37 UTC (permalink / raw)
  To: Pavan Nikhilesh
  Cc: Jerin Jacob, Marko Kovacevic, Ori Kam, Bruce Richardson,
	Radu Nicolau, Akhil Goyal, Tomasz Kantecki, Sunil Kumar Kori,
	dpdk-dev, dpdk stable, Satananda Burla

On Tue, Jan 14, 2020 at 11:22 AM <pbhagavatula@marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
> Setup RSS configuration based on underlying device capabilities.
>
> Fixes: 4ff457986f76 ("examples/l2fwd-event: add default poll mode routines")
> Cc: stable@dpdk.org
>
> Signed-off-by: Satananda Burla <sburla@marvell.com>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>


Applied to dpdk-next-eventdev/master. Thanks.

> ---
>  v2 Changes:
>  - change the patch type to fix.
>
>  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
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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     [not found] <20191216053736.792-1-pbhagavatula@marvell.com>
2020-01-14  5:52 ` [dpdk-stable] [dpdk-dev] [PATCH v2] examples/l2fwd-event: fix ethdev RSS setup pbhagavatula
2020-01-14 20:37   ` Jerin Jacob

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