[PATCH 2/4] virtio-net: add support of UDP segmentation (USO) on the host
From: Yuri Benditovich <hidden>
Date: 2021-05-11 04:43:31
Also in:
lkml, netdev
Subsystem:
the rest, virtio core, virtio net driver · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
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 <redacted> --- 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; default: return -EINVAL; }
--
2.26.3
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization