I mistakenly posted with wrong subject earlier. Repost it here. Anyone knows how to turn off TSO in DPDK+SR-IOV in KVM guest VM ? I want the packets sending out of the KVM host not to have TSO by the hardware.
I imagine that I need to do the following: 1. turn off TSO in the guest before starting DPDK using ethtool -K ethX tso off After DPDK is started, the device will be removed. I think the command ethtool will call ethtool function in the ixgbevf.ko in the kernel to turn TSO off. Am I correct ? 2. turn off TSO on the host using ethtool -K ethX tso off Do I need to do the second one ? Would the first one propagate down to the host ? James