net/virtio: initiate vring at init stage

[dpdk.git] / drivers / net / virtio / virtio_rxtx.c

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 6e7ff27..24129d6 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -378,42 +378,12 @@ virtqueue_enqueue_xmit(struct virtnet_tx *txvq, struct rte_mbuf *cookie,
        vq_update_avail_ring(vq, head_idx);
 }
 
-static void
-virtio_dev_vring_start(struct virtqueue *vq)
-{
-       int size = vq->vq_nentries;
-       struct vring *vr = &vq->vq_ring;
-       uint8_t *ring_mem = vq->vq_ring_virt_mem;
-
-       PMD_INIT_FUNC_TRACE();
-
-       /*
-        * Reinitialise since virtio port might have been stopped and restarted
-        */
-       memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size);
-       vring_init(vr, size, ring_mem, VIRTIO_PCI_VRING_ALIGN);
-       vq->vq_used_cons_idx = 0;
-       vq->vq_desc_head_idx = 0;
-       vq->vq_avail_idx = 0;
-       vq->vq_desc_tail_idx = (uint16_t)(vq->vq_nentries - 1);
-       vq->vq_free_cnt = vq->vq_nentries;
-       memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
-
-       vring_desc_init(vr->desc, size);
-
-       /*
-        * Disable device(host) interrupting guest
-        */
-       virtqueue_disable_intr(vq);
-}
-
 void
 virtio_dev_cq_start(struct rte_eth_dev *dev)
 {
        struct virtio_hw *hw = dev->data->dev_private;
 
        if (hw->cvq && hw->cvq->vq) {
-               virtio_dev_vring_start(hw->cvq->vq);
                VIRTQUEUE_DUMP((struct virtqueue *)hw->cvq->vq);
        }
 }
@@ -441,7 +411,6 @@ virtio_dev_rxtx_start(struct rte_eth_dev *dev)
                int error, nbufs;
                struct rte_mbuf *m;
 
-               virtio_dev_vring_start(vq);
                if (rxvq->mpool == NULL) {
                        rte_exit(EXIT_FAILURE,
                                "Cannot allocate mbufs for rx virtqueue");
@@ -499,7 +468,6 @@ virtio_dev_rxtx_start(struct rte_eth_dev *dev)
                struct virtnet_tx *txvq = dev->data->tx_queues[i];
                struct virtqueue *vq = txvq->vq;
 
-               virtio_dev_vring_start(vq);
                if (hw->use_simple_rxtx) {
                        uint16_t mid_idx  = vq->vq_nentries >> 1;