[dpdk-dev] [PATCH] examples/ip_reassembly: enable scatter mode for Mellanox PMDs
Thinh Tran
thinhtr at linux.vnet.ibm.com
Tue Nov 19 00:02:51 CET 2019
Hi Jerin,
would it be possible to add a command option such as '--enable-scatter'
like testpmd does?
Thanks,
Thinh Tran
On 11/18/2019 12:30 PM, Jerin Jacob wrote:
>
>
> On Mon, 18 Nov, 2019, 11:49 pm Thinh Tran, <thinhtr at linux.vnet.ibm.com
> <mailto:thinhtr at linux.vnet.ibm.com>> wrote:
>
> Simple change to enable scatter for Mellanox CX4/CX5 PMDs
> to run this example
>
> Signed-off-by: Thinh Tran <thinhtr at linux.vnet.ibm.com
> <mailto:thinhtr at 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"))
>
>
> No driver specific code in generic application. Please fix the driver
> instead.
>
> + local_port_conf.rxmode.offloads |=
> DEV_RX_OFFLOAD_SCATTER;
>
> ret = rte_eth_dev_configure(portid, 1,
> (uint16_t)n_tx_queue,
> &local_port_conf);
> --
> 2.17.1
>
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