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vhost: clear batch copy index at copy time
[dpdk.git]
/
lib
/
librte_vhost
/
virtio_net.c
diff --git
a/lib/librte_vhost/virtio_net.c
b/lib/librte_vhost/virtio_net.c
index
00fcbef
..
ba4ce2a
100644
(file)
--- a/
lib/librte_vhost/virtio_net.c
+++ b/
lib/librte_vhost/virtio_net.c
@@
-141,6
+141,8
@@
do_data_copy_enqueue(struct virtio_net *dev, struct vhost_virtqueue *vq)
vhost_log_cache_write(dev, vq, elem[i].log_addr, elem[i].len);
PRINT_PACKET(dev, (uintptr_t)elem[i].dst, elem[i].len, 0);
}
vhost_log_cache_write(dev, vq, elem[i].log_addr, elem[i].len);
PRINT_PACKET(dev, (uintptr_t)elem[i].dst, elem[i].len, 0);
}
+
+ vq->batch_copy_nb_elems = 0;
}
static inline void
}
static inline void
@@
-152,6
+154,8
@@
do_data_copy_dequeue(struct vhost_virtqueue *vq)
for (i = 0; i < count; i++)
rte_memcpy(elem[i].dst, elem[i].src, elem[i].len);
for (i = 0; i < count; i++)
rte_memcpy(elem[i].dst, elem[i].src, elem[i].len);
+
+ vq->batch_copy_nb_elems = 0;
}
/* avoid write operation when necessary, to lessen cache issues */
}
/* avoid write operation when necessary, to lessen cache issues */
@@
-564,8
+568,6
@@
virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
if (count == 0)
goto out;
if (count == 0)
goto out;
- vq->batch_copy_nb_elems = 0;
-
rte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);
avail_head = *((volatile uint16_t *)&vq->avail->idx);
rte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);
avail_head = *((volatile uint16_t *)&vq->avail->idx);
@@
-1054,8
+1056,6
@@
rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
if (unlikely(vq->enabled == 0))
goto out_access_unlock;
if (unlikely(vq->enabled == 0))
goto out_access_unlock;
- vq->batch_copy_nb_elems = 0;
-
if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))
vhost_user_iotlb_rd_lock(vq);
if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))
vhost_user_iotlb_rd_lock(vq);