On Tue, May 11, 2021 at 12:43 AM Yuri Benditovich <yuri.benditovich@xxxxxxxxxx> wrote: > > Large UDP packet provided by the guest with GSO type set to > VIRTIO_NET_HDR_GSO_UDP_L4 will be divided to several UDP > packets according to the gso_size field. > > Signed-off-by: Yuri Benditovich <yuri.benditovich@xxxxxxxxxx> > --- > include/linux/virtio_net.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h > index b465f8f3e554..4ecf9a1ca912 100644 > --- a/include/linux/virtio_net.h > +++ b/include/linux/virtio_net.h > @@ -51,6 +51,11 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, > ip_proto = IPPROTO_UDP; > thlen = sizeof(struct udphdr); > break; > + case VIRTIO_NET_HDR_GSO_UDP_L4: > + gso_type = SKB_GSO_UDP_L4; > + ip_proto = IPPROTO_UDP; > + thlen = sizeof(struct udphdr); > + break; If adding a new VIRTIO_NET_HDR type I suggest adding separate IPv4 and IPv6 variants, analogous to VIRTIO_NET_HDR_GSO_TCPV[46]. To avoid having to infer protocol again, as for UDP fragmentation offload (the retry case below this code). _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
