[dpdk-dev] [PATCH v2] app/testpmd: fix testpmd doesn't show RSS hash offload
Li, Xiaoyun
xiaoyun.li at intel.com
Thu Jul 15 04:29:32 CEST 2021
Hi
> -----Original Message-----
> From: Wang, Jie1X <jie1x.wang at intel.com>
> Sent: Wednesday, July 14, 2021 01:04
> To: dev at dpdk.org
> Cc: Li, Xiaoyun <xiaoyun.li at intel.com>; andrew.rybchenko at oktetlabs.ru; Wang,
> Jie1X <jie1x.wang at intel.com>; stable at dpdk.org
> Subject: [PATCH v2] app/testpmd: fix testpmd doesn't show RSS hash offload
>
> This patch reapply Rx/Tx offloads configuration for all ports after the program
> configuring the device port. When the program configures the ports, the default
> Rx/Tx offloads are modified in
> dev->data->dev_conf.
>
> So it is need to reapply Rx/Tx offloads configuration after dev_configure.
>
> Fixes: ce8d561418d4 ("app/testpmd: add port configuration settings")
> Cc: stable at dpdk.org
>
> Signed-off-by: Jie Wang <jie1x.wang at intel.com>
> ---
> v2: copy "rx/txmode.offloads", instead of copying the entire struct "dev->data-
> >dev_conf.rx/txmode".
> ---
> app/test-pmd/testpmd.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> 1cdd3cdd12..dc9ce5330b 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -2475,6 +2475,11 @@ start_port(portid_t pid)
> }
>
> if (port->need_reconfig > 0) {
> + const struct rte_eth_dev *dev = &rte_eth_devices[pi];
> + struct rte_eth_conf *dev_conf;
> + int k;
> +
> + dev_conf = &dev->data->dev_conf;
> port->need_reconfig = 0;
>
> if (flow_isolate_all) {
> @@ -2508,6 +2513,20 @@ start_port(portid_t pid)
> port->need_reconfig = 1;
> return -1;
> }
> + /* Apply Rx offloads configuration */
> + for (k = 0; k < port->dev_info.max_rx_queues; k++) {
> + if (port->rx_conf[k].offloads !=
> + dev_conf->rxmode.offloads)
> + port->rx_conf[k].offloads =
> + dev_conf->rxmode.offloads;
> + }
I was suggesting something like:
if (dev_conf->rxmode.offloads != port->dev_conf->rxmode.offloads) {
port->dev_conf->rxmode.offloads = dev_conf->rxmode.offloads;
for (queues)
update offloads for each queue of this port
}
Not only check and change queue offload.
> + /* Apply Tx offloads configuration */
> + for (k = 0; k < port->dev_info.max_tx_queues; k++) {
> + if (port->tx_conf[k].offloads !=
> + dev_conf->txmode.offloads)
> + port->tx_conf[k].offloads =
> + dev_conf->txmode.offloads;
> + }
> }
> if (port->need_reconfig_queues > 0) {
> port->need_reconfig_queues = 0;
> --
> 2.25.1
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