> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Huawei at dpdk.org > Sent: Friday, December 11, 2015 12:08 AM > To: dev at dpdk.org > Subject: [dpdk-dev] [PATCH] virtio: fix virtio_net_hdr desc pointing to the > same buffer > > 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 at intel.com> > --- > drivers/net/virtio/virtio_rxtx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > 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 = > -- > 1.8.1.4
Acked-by: Jianfeng Tan <Jianfeng.tan at intel.com> Thanks!
