net/ice: enable flow redirect on switch

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

diff --git a/drivers/net/virtio/virtqueue.c b/drivers/net/virtio/virtqueue.c
index 5ff1e35..0b4e3bf 100644 (file)
--- a/drivers/net/virtio/virtqueue.c
+++ b/drivers/net/virtio/virtqueue.c
@@ -141,3 +141,74 @@ virtqueue_rxvq_flush(struct virtqueue *vq)
        else
                virtqueue_rxvq_flush_split(vq);
 }
+
+int
+virtqueue_rxvq_reset_packed(struct virtqueue *vq)
+{
+       int size = vq->vq_nentries;
+       struct vq_desc_extra *dxp;
+       struct virtnet_rx *rxvq;
+       uint16_t desc_idx;
+
+       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;
+
+       vq->vq_packed.used_wrap_counter = 1;
+       vq->vq_packed.cached_flags = VRING_PACKED_DESC_F_AVAIL;
+       vq->vq_packed.event_flags_shadow = 0;
+       vq->vq_packed.cached_flags |= VRING_DESC_F_WRITE;
+
+       rxvq = &vq->rxq;
+       memset(rxvq->mz->addr, 0, rxvq->mz->len);
+
+       for (desc_idx = 0; desc_idx < vq->vq_nentries; desc_idx++) {
+               dxp = &vq->vq_descx[desc_idx];
+               if (dxp->cookie != NULL) {
+                       rte_pktmbuf_free(dxp->cookie);
+                       dxp->cookie = NULL;
+               }
+       }
+
+       vring_desc_init_packed(vq, size);
+
+       return 0;
+}
+
+int
+virtqueue_txvq_reset_packed(struct virtqueue *vq)
+{
+       int size = vq->vq_nentries;
+       struct vq_desc_extra *dxp;
+       struct virtnet_tx *txvq;
+       uint16_t desc_idx;
+
+       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;
+
+       vq->vq_packed.used_wrap_counter = 1;
+       vq->vq_packed.cached_flags = VRING_PACKED_DESC_F_AVAIL;
+       vq->vq_packed.event_flags_shadow = 0;
+
+       txvq = &vq->txq;
+       memset(txvq->mz->addr, 0, txvq->mz->len);
+       memset(txvq->virtio_net_hdr_mz->addr, 0,
+               txvq->virtio_net_hdr_mz->len);
+
+       for (desc_idx = 0; desc_idx < vq->vq_nentries; desc_idx++) {
+               dxp = &vq->vq_descx[desc_idx];
+               if (dxp->cookie != NULL) {
+                       rte_pktmbuf_free(dxp->cookie);
+                       dxp->cookie = NULL;
+               }
+       }
+
+       vring_desc_init_packed(vq, size);
+
+       return 0;
+}