On Mon, Sep 27, 2021 at 6:36 PM Michael S. Tsirkin <mst@xxxxxxxxxx> wrote: > > On Sun, Sep 26, 2021 at 12:18:26PM +0800, Jason Wang wrote: > > > > I wonder if the following can work with ENI: > > > > > > > > -device virtio-net-pci,mrg_rxbuf=off > > > > > > > > ? > > > > > > ENI didn't work. > > > I will remove F_MRG_RXBUF when get_features. > > > > I think we need to fail FEATURE_OK if F_MRG_RXBUF is not negotiated. > > Since VERSION_1 requires a fixed header length even if F_MRG_RXBUF is > > not negotiated. > > > > But this trick doesn't come for free. If some driver doesn't support > > mrg_rxbuf, it won't work. > > > > Thanks > > Yea. Ugh. Down the road I think we'll add legacy support to vdpa on > strongly ordered systems. I don't see the connection, can you explain why? > Doing it in userspace is just too messy imho. > But yes, this kind of hack is probably ok for weakly ordered systems. > BTW we need to set VIRTIO_F_ORDER_PLATFORM, right? Right. Thanks > > -- > MST > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
