Index: head/usr.sbin/bhyve/pci_virtio_net.c
===================================================================
--- head/usr.sbin/bhyve/pci_virtio_net.c
+++ head/usr.sbin/bhyve/pci_virtio_net.c
@@ -381,7 +381,7 @@
 	vq_endchains(vq, 1);
 }
 
-static int
+static __inline int
 pci_vtnet_netmap_writev(struct nm_desc *nmd, struct iovec *iov, int iovcnt)
 {
 	int r, i;
@@ -396,7 +396,7 @@
 			r++;
 			if (r > nmd->last_tx_ring)
 				r = nmd->first_tx_ring;
-			if (r == nmd->cur_rx_ring)
+			if (r == nmd->cur_tx_ring)
 				break;
 			continue;
 		}
@@ -405,6 +405,8 @@
 		buf = NETMAP_BUF(ring, idx);
 
 		for (i = 0; i < iovcnt; i++) {
+			if (len + iov[i].iov_len > 2048)
+				break;
 			memcpy(&buf[len], iov[i].iov_base, iov[i].iov_len);
 			len += iov[i].iov_len;
 		}
@@ -418,7 +420,7 @@
 	return (len);
 }
 
-static inline int
+static __inline int
 pci_vtnet_netmap_readv(struct nm_desc *nmd, struct iovec *iov, int iovcnt)
 {
 	int len = 0;
@@ -548,6 +550,7 @@
 			 * No more packets, but still some avail ring
 			 * entries.  Interrupt if needed/appropriate.
 			 */
+			vq_retchain(vq);
 			vq_endchains(vq, 0);
 			return;
 		}
@@ -884,8 +887,9 @@
 	pci_set_cfgdata16(pi, PCIR_SUBDEV_0, VIRTIO_TYPE_NET);
 	pci_set_cfgdata16(pi, PCIR_SUBVEND_0, VIRTIO_VENDOR);
 
-	/* Link is up if we managed to open tap device. */
-	sc->vsc_config.status = (opts == NULL || sc->vsc_tapfd >= 0);
+	/* Link is up if we managed to open tap device or vale port. */
+	sc->vsc_config.status = (opts == NULL || sc->vsc_tapfd >= 0 ||
+	    sc->vsc_nmd != NULL);
 	
 	/* use BAR 1 to map MSI-X table and PBA, if we're using MSI-X */
 	if (vi_intr_init(&sc->vsc_vs, 1, fbsdrun_virtio_msix()))