On Mon, Apr 17, 2023 at 06:38:43AM +0000, Alvaro Karsz wrote:
> > Actually, I think that all you need to do is disable NETIF_F_SG,
> > and things will work, no?
> 
> I think that this is not so simple, if I understand correctly, by disabling 
> NETIF_F_SG we will never receive a chained skbs to transmit, but we still 
> have more functionality to address, for example:
> * The TX timeouts.

I don't get it. With a linear skb we can transmit it as long as there's
space for 2 entries in the vq: header and data. What's the source of the
timeouts?

> * Guest GSO/big MTU (without VIRTIO_NET_F_MRG_RXBUF?), we can't chain page 
> size buffers anymore.

I think we can.  mergeable_min_buf_len will just be large.


> > Alvaro, can you try?
> 
> It won't matter at the moment, we'll get TX timeout after the first tx 
> packet, we need to address this part as well.

_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization

Reply via email to