> Dmitry Skorodumov <sdmitry <at> parallels.com> writes: > > Windows-host with disabled TX-checksum offloading may send > packets with tcp->checksum=0xffff. Most likely it is caused > by by Windows algorithm for computing incremental checksum > - see RFC 1624. Forgot to mention that packets with checksum 0xffff appears almost 100% if run from windows-host to kvm-guest netperf -H <guest_addr> -t TCP_RR Dmitry -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html