[PATCH v4 30/42] vhost/net: larger header for virtio 1.0
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: 2014-11-25 16:43:46
Also in:
kvm, lkml
Subsystem:
the rest, virtio host (vhost) · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- drivers/vhost/net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index cae22f9..1ac58d0 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c@@ -1027,7 +1027,8 @@ static int vhost_net_set_features(struct vhost_net *n, u64 features) size_t vhost_hlen, sock_hlen, hdr_len; int i; - hdr_len = (features & (1 << VIRTIO_NET_F_MRG_RXBUF)) ? + hdr_len = (features & ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | + (1ULL << VIRTIO_F_VERSION_1))) ? sizeof(struct virtio_net_hdr_mrg_rxbuf) : sizeof(struct virtio_net_hdr); if (features & (1 << VHOST_NET_F_VIRTIO_NET_HDR)) {
--
MST