net/mlx5: handle Rx CQE compression

[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 835ab3a..1785695 100644 (file)
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -561,6 +561,14 @@ vhost_set_vring_addr(int vid, struct vhost_vring_addr *addr)
                return -1;
        }
 
+       if (vq->last_used_idx != vq->used->idx) {
+               RTE_LOG(WARNING, VHOST_CONFIG,
+                       "last_used_idx (%u) and vq->used->idx (%u) mismatches; "
+                       "some packets maybe resent for Tx and dropped for Rx\n",
+                       vq->last_used_idx, vq->used->idx);
+               vq->last_used_idx     = vq->used->idx;
+       }
+
        vq->log_guest_addr = addr->log_guest_addr;
 
        LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
@@ -590,7 +598,6 @@ vhost_set_vring_base(int vid, struct vhost_vring_state *state)
 
        /* State->index refers to the queue index. The txq is 1, rxq is 0. */
        dev->virtqueue[state->index]->last_used_idx = state->num;
-       dev->virtqueue[state->index]->last_used_idx_res = state->num;
 
        return 0;
 }
@@ -787,7 +794,7 @@ rte_vhost_avail_entries(int vid, uint16_t queue_id)
        if (!vq->enabled)
                return 0;
 
-       return *(volatile uint16_t *)&vq->avail->idx - vq->last_used_idx_res;
+       return *(volatile uint16_t *)&vq->avail->idx - vq->last_used_idx;
 }
 
 int