+
+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);
+
+ virtqueue_disable_intr(vq);
+ 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);
+
+ virtqueue_disable_intr(vq);
+ return 0;
+}