Re: [PATCH v6 33/46] vhost/net: larger header for virtio 1.0
From: Jason Wang
Date: Fri Nov 28 2014 - 03:38:40 EST
On Fri, Nov 28, 2014 at 4:10 AM, Michael S. Tsirkin <mst@xxxxxxxxxx>
wrote:
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
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
Reviewed-by: Jason Wang <jasowang@xxxxxxxxxx>
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