diff mbox

[dpdk-dev] virtio: fix virtio_net_hdr desc pointing to the same buffer

Message ID 1449770240-103240-3-git-send-email-huawei.xie@intel.com (mailing list archive)
State Not Applicable, archived
Headers

Commit Message

Huawei@dpdk.org, Xie@dpdk.org Dec. 10, 2015, 5:57 p.m. UTC 
  The virtio_net_hdr desc all pointed to the same buffer. It doesn't cause
issue because in the simple TX mode we don't use the header. This patch
makes the header desc point to different buffer.

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
---
 drivers/net/virtio/virtio_rxtx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 74b39ef..6cfd315 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -352,7 +352,7 @@  virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
 				vq->vq_ring.desc[i + mid_idx].next = i;
 				vq->vq_ring.desc[i + mid_idx].addr =
 					vq->virtio_net_hdr_mem +
-						mid_idx * vq->hw->vtnet_hdr_size;
+						i * vq->hw->vtnet_hdr_size;
 				vq->vq_ring.desc[i + mid_idx].len =
 					vq->hw->vtnet_hdr_size;
 				vq->vq_ring.desc[i + mid_idx].flags =