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The Stateless TCP Tunnel (STT) protocol encapsulates traffic in IPv4/TCP packets. STT uses TCP segmentation offload available in most of NIC. On packet xmit STT driver appends STT header along with TCP header to the packet. For GSO packet GSO parameters are set according to tunnel configuration and packet is handed over to networking stack. This allows use of segmentation offload available in NICs The protocol is documented at http://www.ietf.org/archive/id/draft-davie-stt-06.txt Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Jesse Gross <jesse@nicira.com>