If both are ON then which one works tso or gso ? On Wed, Nov 19, 2014 at 12:22 PM, Varun Sharma <vsdssd@xxxxxxxxx> wrote: > If both are ON then which one works tso or gso ? > > > > On Wed, Nov 19, 2014 at 12:07 PM, Raj Ravi <mekaviraj@xxxxxxxxx> wrote: >> TSO is a hardware feature whereas GSO is a software feature. >> >> In the sense, TSO needs "the device" to break the frame into MTU sized segments. >> BUT, GSO is a strategy followed by kernel to avoid processing smaller >> packets throughout the stack. >> >> Refer this: >> http://blogs.gnome.org/markmc/2008/05/28/checksums-scatter-gather-io-and-segmentation-offload/ >> >> <<< >> GSO is a generalisation of this in the kernel. The idea is that you >> delay segmenting a packet until the latest possible moment. In the >> case where a device doesn’t support TSO, this would be just before >> passing the skb to the driver. If the device does support TSO, the >> unsegmented skb would be passed to the driver. >> <<< >> >> >> On Wed, Nov 19, 2014 at 11:40 AM, Varun Sharma <vsdssd@xxxxxxxxx> wrote: >>> Hi, >>> >>> I have basic question about gso(generic segmentation offload) vs >>> tso(TCP segmentation offload) >>> >>> 1. How both are different to each other? >>> >>> 2. If both are ON using ethtool which one is perform segmentation gso or tso ? >>> >>> >>> Regards >>> varun >>> >>> _______________________________________________ >>> Kernelnewbies mailing list >>> Kernelnewbies@xxxxxxxxxxxxxxxxx >>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
