Re: [ovs-dev] [PATCH v1] conntrack: Always recalculate IP header checksum.

2022-01-19 Thread Eelco Chaudron
On 19 Jan 2022, at 14:53, Mike Pattrick wrote: > Formerly when userspace TSO was enabled but with a non-DKDK interface > without support IP checksum offloading, FTP NAT connections would fail > if the packet length changed. This can happen if the packets length > changes during L7 NAT translati

[ovs-dev] [PATCH v1] conntrack: Always recalculate IP header checksum.

2022-01-19 Thread Mike Pattrick
Formerly when userspace TSO was enabled but with a non-DKDK interface without support IP checksum offloading, FTP NAT connections would fail if the packet length changed. This can happen if the packets length changes during L7 NAT translation, predominantly with FTP. This is why the "conntrack - IP