5bffab53f1
Adding changes to configure switch header type pre_l2 for cnxk. pre_l2 headers are custom headers placed before the ethernet header. Along with switch header type, user needs to provide the offset within the custom header that holds the size of the custom header and mask for the size within the size offset. Signed-off-by: Kiran Kumar K <kirankumark@marvell.com> Reviewed-by: Satheesh Paul <psatheesh@marvell.com>