Hi,
Can you please share the motivation of not filling l2/l3-len fields on PMD's RX function? PMD already filling the mbuf with parsing info, and the l2/l3-len are also probably part of the HW descriptor, so why no propagate them as well? The current way for application to find the l2_len (for example) is to examine the ptype using multiple if statement. However, this may not always work if there are unknown/user headers (e.g. DSA header). in addition, some of the examples are not checking the ptype and assumes a specific packet structure. e.g. l3-fwd, assumes only ethernet header exist and hardcoded jump by 14B to access the IP header. but if VLAN exist it will fail. checking the l2_len will work in any case. Regards, Liron Himi [A picture containing clipart Description automatically generated]<https://www.marvell.com/> Park Azorim, Kyriat Arie, Petah Tikva, 49527, Israel Mobile: +972.52.3329169
