Signed-off-by: Tiwei Bie <tiwei....@intel.com>
---
lib/librte_vhost/virtio_net.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 2bd1298..049b400 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1153,33 +1153,13 @@ dequeue_desc(struct virtio_net *dev, struct
vhost_virtqueue *vq,
mbuf_offset = 0;
mbuf_avail = m->buf_len - RTE_PKTMBUF_HEADROOM;
while (1) {
- uint64_t hpa;
cpy_len = RTE_MIN(desc_avail, mbuf_avail);
- /*
- * A desc buf might across two host physical pages that are
- * not continuous. In such case (gpa_to_hpa returns 0), data
- * will be copied even though zero copy is enabled.
- */
- if (unlikely(dev->dequeue_zero_copy && (hpa = gpa_to_hpa(dev,
- desc->addr + desc_offset, cpy_len)))) {
- cur->data_len = cpy_len;
- cur->data_off = 0;
- cur->buf_addr = (void *)(uintptr_t)desc_addr;
- cur->buf_physaddr = hpa;
-
- /*
- * In zero copy mode, one mbuf can only reference data
- * for one or partial of one desc buff.
- */
- mbuf_avail = cpy_len;
- } else {
- rte_memcpy(rte_pktmbuf_mtod_offset(cur, void *,
- mbuf_offset),
- (void *)((uintptr_t)(desc_addr + desc_offset)),
- cpy_len);
- }
+ rte_memcpy(rte_pktmbuf_mtod_offset(cur, void *,
+ mbuf_offset),
+ (void *)((uintptr_t)(desc_addr + desc_offset)),
+ cpy_len);
mbuf_avail -= cpy_len;
mbuf_offset += cpy_len;
--
2.7.4
