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[v8,35/50] vhost/net: larger header for virtio 1.0

Message ID 1417449619-24896-36-git-send-email-mst@redhat.com
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Michael S. Tsirkin Dec. 1, 2014, 4:05 p.m. UTC 
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---
 drivers/vhost/net.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index c218188..8ff4a6d 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1030,7 +1030,8 @@  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)) {