On 09/13/2016 05:18 PM, Aaron Conole wrote: > It is helpful for a host to indicate it's MTU to be set on guest NICs > other than the assumed 1500 byte value. This helps in situations where > the host network is using Jumbo Frames, or aiding in PMTU discovery by > configuring a homogenous network. It is also helpful for sizing receive > buffers correctly. > > The change adds a new field to configuration area of network > devices. It will be used to pass a maximum MTU from the device to > the driver. This will be used by the driver as a maximum value for > packet sizes during transmission, without segmentation offloading. > > In addition, in order to support backward and forward compatibility, > we introduce a new feature bit called VIRTIO_NET_F_MTU. > > VIRTIO-152 > Signed-off-by: Aaron Conole <aconole@xxxxxxxxxx> > Cc: Victor Kaplansky <victork@xxxxxxxxxx> > Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > Acked-by: Maxime Coquelin <maxime.coquelin@xxxxxxxxxx> > --- Very good. I'm needing this for my FCoE over virtio work. Reviewed-by: Hannes Reiencke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@xxxxxxx +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
