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path: root/drivers/net/virtio/virtio_ethdev.c
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Diffstat (limited to 'drivers/net/virtio/virtio_ethdev.c')
-rw-r--r--drivers/net/virtio/virtio_ethdev.c34
1 files changed, 8 insertions, 26 deletions
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)) {