X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Fvirtio-net.c;h=1785695b119ec4b8b333199b06540e5b4d213a49;hb=99c12dcca65d;hp=835ab3a314316767dca7b6c5e40e75002948e13e;hpb=e197bd630a5cd3ed40e73f914837a03e2c6b3098;p=dpdk.git

diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 835ab3a314..1785695b11 100644
--- 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