::[snip]::
> Example of usage:
> 1. check packets from all possible layers for integrity.
>    flow create integrity spec packet_ok = 1 mask packet_ok = 1 .....
>
> 2. Check only packet with layer 4 (UDP / TCP)
>    flow create integrity spec l3_ok = 1, l4_ok = 1 mask l3_ok = 1 l4_ok = 1
>
> Signed-off-by: Ori Kam <orika@nvidia.com>
> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

> ---
>  doc/guides/prog_guide/rte_flow.rst     | 22 ++++++++++++
>  doc/guides/rel_notes/release_21_05.rst |  5 +++
>  lib/librte_ethdev/rte_flow.h           | 50 ++++++++++++++++++++++++++
>  3 files changed, 77 insertions(+)
>
> diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
> index e1b93ecedf..04b598390d 100644
> --- a/doc/guides/prog_guide/rte_flow.rst
> +++ b/doc/guides/prog_guide/rte_flow.rst
> @@ -1398,6 +1398,28 @@ Matches a eCPRI header.
>  - ``hdr``: eCPRI header definition (``rte_ecpri.h``).
>  - Default ``mask`` matches nothing, for all eCPRI messages.
>
> +Item: ``PACKET_INTEGRITY_CHECKS``
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> +
> +Matches packet integrity.
> +For some devices application needs to enable integration checks in HW
> +before using this item.
> +
> +- ``level``: the encapsulation level that should be checked:
> +   - ``level == 0`` means the default PMD mode (can be inner most / outermost).
s/inner most/ innermost