X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fvirtio%2Fvirtio_rxtx.c;h=e30377c510cb093410ca2c3a02375fbcb117e719;hb=ebea83f899d8739e7143209e7575aa97f4f3ab08;hp=fcd9e9304fd3241b126313e646f580a6aff32007;hpb=f53fe364d6d982a2f18bd941f4750721dd68739e;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index fcd9e9304f..e30377c510 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -725,7 +725,7 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 {
 	struct virtnet_rx *rxvq = rx_queue;
 	struct virtqueue *vq = rxvq->vq;
-	struct virtio_hw *hw;
+	struct virtio_hw *hw = vq->hw;
 	struct rte_mbuf *rxm, *new_mbuf;
 	uint16_t nb_used, num, nb_rx;
 	uint32_t len[VIRTIO_MBUF_BURST_SZ];
@@ -736,20 +736,23 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 	int offload;
 	struct virtio_net_hdr *hdr;
 
+	nb_rx = 0;
+	if (unlikely(hw->started == 0))
+		return nb_rx;
+
 	nb_used = VIRTQUEUE_NUSED(vq);
 
 	virtio_rmb();
 
-	num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
-	num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : VIRTIO_MBUF_BURST_SZ);
+	num = likely(nb_used <= nb_pkts) ? nb_used : nb_pkts;
+	if (unlikely(num > VIRTIO_MBUF_BURST_SZ))
+		num = VIRTIO_MBUF_BURST_SZ;
 	if (likely(num > DESC_PER_CACHELINE))
 		num = num - ((vq->vq_used_cons_idx + num) % DESC_PER_CACHELINE);
 
 	num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, num);
 	PMD_RX_LOG(DEBUG, "used:%d dequeue:%d", nb_used, num);
 
-	hw = vq->hw;
-	nb_rx = 0;
 	nb_enqueued = 0;
 	hdr_size = hw->vtnet_hdr_size;
 	offload = rx_offload_enabled(hw);
@@ -772,8 +775,6 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 		rxm->ol_flags = 0;
 		rxm->vlan_tci = 0;
 
-		rxm->nb_segs = 1;
-		rxm->next = NULL;
 		rxm->pkt_len = (uint32_t)(len[i] - hdr_size);
 		rxm->data_len = (uint16_t)(len[i] - hdr_size);
 
@@ -836,7 +837,7 @@ virtio_recv_mergeable_pkts(void *rx_queue,
 {
 	struct virtnet_rx *rxvq = rx_queue;
 	struct virtqueue *vq = rxvq->vq;
-	struct virtio_hw *hw;
+	struct virtio_hw *hw = vq->hw;
 	struct rte_mbuf *rxm, *new_mbuf;
 	uint16_t nb_used, num, nb_rx;
 	uint32_t len[VIRTIO_MBUF_BURST_SZ];
@@ -850,14 +851,16 @@ virtio_recv_mergeable_pkts(void *rx_queue,
 	uint32_t hdr_size;
 	int offload;
 
+	nb_rx = 0;
+	if (unlikely(hw->started == 0))
+		return nb_rx;
+
 	nb_used = VIRTQUEUE_NUSED(vq);
 
 	virtio_rmb();
 
 	PMD_RX_LOG(DEBUG, "used:%d", nb_used);
 
-	hw = vq->hw;
-	nb_rx = 0;
 	i = 0;
 	nb_enqueued = 0;
 	seg_num = 0;
@@ -900,7 +903,6 @@ virtio_recv_mergeable_pkts(void *rx_queue,
 
 		rxm->data_off = RTE_PKTMBUF_HEADROOM;
 		rxm->nb_segs = seg_num;
-		rxm->next = NULL;
 		rxm->ol_flags = 0;
 		rxm->vlan_tci = 0;
 		rxm->pkt_len = (uint32_t)(len[0] - hdr_size);
@@ -945,7 +947,6 @@ virtio_recv_mergeable_pkts(void *rx_queue,
 				rxm = rcv_pkts[extra_idx];
 
 				rxm->data_off = RTE_PKTMBUF_HEADROOM - hdr_size;
-				rxm->next = NULL;
 				rxm->pkt_len = (uint32_t)(len[extra_idx]);
 				rxm->data_len = (uint16_t)(len[extra_idx]);
 
@@ -1009,9 +1010,12 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 	struct virtqueue *vq = txvq->vq;
 	struct virtio_hw *hw = vq->hw;
 	uint16_t hdr_size = hw->vtnet_hdr_size;
-	uint16_t nb_used, nb_tx;
+	uint16_t nb_used, nb_tx = 0;
 	int error;
 
+	if (unlikely(hw->started == 0))
+		return nb_tx;
+
 	if (unlikely(nb_pkts < 1))
 		return nb_pkts;