[dpdk-stable] [dpdk-dev] [PATCH v3] net/i40e: Fail rte_flow MARK requests if RX func was vectorized

[Ye Xiaolong]

Sorry for missing this patch for a long time.

On 06/03, Mesut Ali Ergin wrote:
>Runtime requests to install an rte_flow with MARK action should fail
>if the device was started and a vector RX function was already chosen
>for during configuration time.
>
>Currently, i40e rte_flow driver would successfully install the flow
>with MARK action, even when vector RX functions are in use. However,
>those vector RX functions will fail to retrieve the MARK data from the
>device descriptor into the mbuf. The original app installing the flow
>would never know what went wrong. The function introduced in this patch
>must be adjusted if/when certain vector RX functions start supporting
>correct FDIR processing for MARK actions.
>
>Fixes: 2e67a7fbf3ff ("net/i40e: config flow director automatically")
>Cc: stable at dpdk.org
>
>Signed-off-by: Mesut Ali Ergin <mesut.a.ergin at intel.com>
>
>v3:
> - Check for support made in an function for future extensibility
> - Fixes code style warnings
> - CC stable w/ fix reference
>v2:
> - Check added to fail MARK request only if the device was started
>---

Minor nit, you should put the change logs after above '---' line, then they can be
ignored when git-am, fix it while merging.

> drivers/net/i40e/i40e_flow.c | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)

Reviewed-by: Xiaolong Ye <xiaolong.ye at intel.com>

Applied to dpdk-next-net-intel. Thanks.