[PATCH v8 1/4] ethdev: introduce protocol header API

[Andrew Rybchenko]

On 10/6/22 02:18, Yuan Wang wrote:
> Add a new ethdev API to retrieve supported protocol headers
> of a PMD, which helps to configure protocol header based buffer split.
> 
> Signed-off-by: Yuan Wang <yuanx.wang at intel.com>
> Signed-off-by: Xuan Ding <xuan.ding at intel.com>
> Signed-off-by: Wenxuan Wu <wenxuanx.wu at intel.com>
> Reviewed-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>

New function should be mentioned in the
doc/guides/nics/features.rst in Buffer Split on Rx feature
definition.