#include "virtio_logs.h"
#include "virtio_pci.h"
-void
-virtqueue_disable_intr(struct virtqueue *vq)
-{
- /*
- * Set VRING_AVAIL_F_NO_INTERRUPT to hint host
- * not to interrupt when it consumes packets
- * Note: this is only considered a hint to the host
- */
- vq->vq_ring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
-}
-
/*
* Two types of mbuf to be cleaned:
* 1) mbuf that has been consumed by backend but not used by virtio.
}
return NULL;
}
+
+/* Flush the elements in the used ring. */
+void
+virtqueue_flush(struct virtqueue *vq)
+{
+ struct vring_used_elem *uep;
+ struct vq_desc_extra *dxp;
+ uint16_t used_idx, desc_idx;
+ uint16_t nb_used, i;
+
+ nb_used = VIRTQUEUE_NUSED(vq);
+
+ for (i = 0; i < nb_used; i++) {
+ used_idx = vq->vq_used_cons_idx & (vq->vq_nentries - 1);
+ uep = &vq->vq_ring.used->ring[used_idx];
+ desc_idx = (uint16_t)uep->id;
+ dxp = &vq->vq_descx[desc_idx];
+ if (dxp->cookie != NULL) {
+ rte_pktmbuf_free(dxp->cookie);
+ dxp->cookie = NULL;
+ }
+ vq->vq_used_cons_idx++;
+ vq_ring_free_chain(vq, desc_idx);
+ }
+}