[dpdk-users] TX checksum offload for IP fragmented traffic with ENA driver

[Dmitry B]

Hi,

I've noticed that TX checksumming offload for IP fragments is not working
in ES2 instance C5 with latest DPDK 17.11 (ENA driver). For not fragmented
IP traffic the offload works well.

The same code is working on ES2 instance M4 with DPDK 16.08 (AFAIR ixgbe_vf
driver).

The code does the following:
    - sets mbuf **ol_flags** to PKT_TX_IPV4 | PKT_TX_IP_CKSUM

  - sets mbuf *l2_len* to ethernet header len

  - sets mbuf *l3_len* to IP header len


Any ideas?

Thanks
Dima

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