[dpdk-dev] [PATCH 1/2] app/testpmd: fix scatter offload configuration
Matan Azrad
matan at mellanox.com
Tue Jul 30 11:00:35 CEST 2019
Hi all
Any review?
> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Matan Azrad
> Sent: Monday, July 29, 2019 3:37 PM
> To: Wenzhuo Lu <wenzhuo.lu at intel.com>; Jingjing Wu
> <jingjing.wu at intel.com>
> Cc: dev at dpdk.org; stable at dpdk.org
> Subject: [dpdk-dev] [PATCH 1/2] app/testpmd: fix scatter offload
> configuration
>
> When the mbuf data size cannot contain the maximum Rx packet length with
> the mbuf headroom, a packet should be scattered in more than one mbuf.
>
> The application did not configure scatter offload in the above case.
>
> Enable the Rx scatter offload in the above case.
>
> Fixes: 33f9630fc23d ("app/testpmd: create mbuf based on max supported
> segments")
> Cc: stable at dpdk.org
>
> Signed-off-by: Matan Azrad <matan at mellanox.com>
> ---
> app/test-pmd/testpmd.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> 518865a..4ae70ef 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -1191,6 +1191,17 @@ struct extmem_param {
> warning = 1;
> }
> }
> + if (rx_mode.max_rx_pkt_len + RTE_PKTMBUF_HEADROOM
> >
> + mbuf_data_size) {
> + if (port->dev_info.rx_queue_offload_capa &
> + DEV_RX_OFFLOAD_SCATTER)
> + port->dev_conf.rxmode.offloads |=
> + DEV_RX_OFFLOAD_SCATTER;
> + else
> + TESTPMD_LOG(WARNING, "Configure
> scatter is"
> + " needed and cannot be
> configured"
> + " in the port %u\n", pid);
> + }
> }
>
> if (warning)
> --
> 1.8.3.1
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