X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ethdev.c;h=67ebb1e5bf57d41235f5b20d1cb2f8275235be6a;hb=fdd2322bb45e83d3fd96b06ea32a4afbb60bcb6f;hp=452ad2a5b1588071df3e02894cf9ca187473255c;hpb=aab0c291a90f701b60f8c9a88cbcc265cba0ec8b;p=deb_dpdk.git

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 452ad2a5..67ebb1e5 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -423,7 +423,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
 		}
 	}
 
-	memset(mz->addr, 0, sizeof(mz->len));
+	memset(mz->addr, 0, mz->len);
 
 	vq->vq_ring_mem = mz->phys_addr;
 	vq->vq_ring_virt_mem = mz->addr;
@@ -1477,37 +1477,19 @@ virtio_dev_configure(struct rte_eth_dev *dev)
 {
 	const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
 	struct virtio_hw *hw = dev->data->dev_private;
-	uint64_t req_features;
-	int ret;
 
 	PMD_INIT_LOG(DEBUG, "configure");
-	req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES;
-	if (rxmode->hw_ip_checksum)
-		req_features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
-	if (rxmode->enable_lro)
-		req_features |=
-			(1ULL << VIRTIO_NET_F_GUEST_TSO4) |
-			(1ULL << VIRTIO_NET_F_GUEST_TSO6);
-
-	/* if request features changed, reinit the device */
-	if (req_features != hw->req_guest_features) {
-		ret = virtio_init_device(dev, req_features);
-		if (ret < 0)
-			return ret;
-	}
 
-	if (rxmode->hw_ip_checksum &&
-		!vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM)) {
+	/* Virtio does L4 checksum but not L3! */
+	if (rxmode->hw_ip_checksum) {
 		PMD_DRV_LOG(NOTICE,
-			"rx ip checksum not available on this host");
+			    "virtio does not support IP checksum");
 		return -ENOTSUP;
 	}
 
-	if (rxmode->enable_lro &&
-		(!vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
-			!vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4))) {
+	if (rxmode->enable_lro) {
 		PMD_DRV_LOG(NOTICE,
-			"lro not available on this host");
+			    "virtio does not support Large Receive Offload");
 		return -ENOTSUP;
 	}
 
@@ -1714,8 +1696,8 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	};
 	dev_info->rx_offload_capa =
 		DEV_RX_OFFLOAD_TCP_CKSUM |
-		DEV_RX_OFFLOAD_UDP_CKSUM |
-		DEV_RX_OFFLOAD_TCP_LRO;
+		DEV_RX_OFFLOAD_UDP_CKSUM;
+
 	dev_info->tx_offload_capa = 0;
 
 	if (hw->guest_features & (1ULL << VIRTIO_NET_F_CSUM)) {