[dpdk-dev] [PATCH] app/testpmd: check if CRC strip offload supported
Shahaf Shuler
shahafs at mellanox.com
Thu May 10 06:39:20 CEST 2018
Thursday, May 10, 2018 1:09 AM, Ferruh Yigit:
> Subject: [PATCH] app/testpmd: check if CRC strip offload supported
>
> Testpmd set CRC_STRIP offload blindly, this is wrong according offload API
> definition, and will cause error for the PMDs that doesn't support CRC_STRIP
> like virtual PMDs.
>
> Check if underlying device report this capability and don't set it if not
> supported.
>
> Fixes: 0074d02fca21 ("app/testpmd: convert to new Rx offloads API")
> Cc: shahafs at mellanox.com
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
Yes this is the correct behavior. I hope all the PMDs report the CRC strip correctly.
Acked-by: Shahaf Shuler < shahafs at mellanox.com>
> ---
> Cc: Wei Dai <wei.dai at intel.com>
> Cc: Qi Zhang <qi.z.zhang at intel.com>
> ---
> app/test-pmd/testpmd.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> db23f23e5..1938283f6 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -701,6 +701,11 @@ init_config(void)
> port->dev_conf.txmode = tx_mode;
> port->dev_conf.rxmode = rx_mode;
> rte_eth_dev_info_get(pid, &port->dev_info);
> +
> + if (!(port->dev_info.rx_offload_capa &
> + DEV_RX_OFFLOAD_CRC_STRIP))
> + port->dev_conf.rxmode.offloads &=
> + ~DEV_RX_OFFLOAD_CRC_STRIP;
> if (!(port->dev_info.tx_offload_capa &
> DEV_TX_OFFLOAD_MBUF_FAST_FREE))
> port->dev_conf.txmode.offloads &=
> --
> 2.14.3
More information about the dev
mailing list