Re: [dpdk-dev] [dpdk-stable] [PATCH v4 2/3] doc: input set requirement of each pctype for FDIR

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 4/29/2020 3:03 AM, Wei Zhao wrote:
> Add input set requirement info to i40e doc.
> 
> Bugzilla ID: 403

Should this document update backported to the LTS?
If so which LTS versions are in the scope, it is better if you can add a fixes
tag to help us to figure out that.

> Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
> ---
>  doc/guides/nics/i40e.rst | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst
> index 416b3904e..f085a357c 100644
> --- a/doc/guides/nics/i40e.rst
> +++ b/doc/guides/nics/i40e.rst
> @@ -747,6 +747,13 @@ Use 16 Bytes RX Descriptor Size
>  As i40e PMD supports both 16 and 32 bytes RX descriptor sizes, and 16 bytes size can provide helps to high performance of small packets.
>  Configuration of ``CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC`` in config files can be changed to use 16 bytes size RX descriptors.
>  
> +input set requirement of each pctype for FDIR
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +Each PCTYPE can only have one specific FDIR input set at one time. For example, if creating 2 rte_flow rules with different input set
> +for one PCTYPE, it is will fail and return the info "Conflict with the first rule's input set", which means the current rule's input
> +set is conflict with the first rule's. Remove the first rule if want to change the input set of the PCTYPE.
> +
>  Example of getting best performance with l3fwd example
>  ------------------------------------------------------
>  
>