diff options
Diffstat (limited to 'drivers/net/virtio/virtio_ethdev.c')
| -rw-r--r-- | drivers/net/virtio/virtio_ethdev.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index f5961ab7..452ad2a5 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -545,6 +545,9 @@ virtio_free_queues(struct virtio_hw *hw) int queue_type; uint16_t i; + if (hw->vqs == NULL) + return; + for (i = 0; i < nr_vq; i++) { vq = hw->vqs[i]; if (!vq) @@ -563,9 +566,11 @@ virtio_free_queues(struct virtio_hw *hw) } rte_free(vq); + hw->vqs[i] = NULL; } rte_free(hw->vqs); + hw->vqs = NULL; } static int @@ -1210,11 +1215,11 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) rte_eth_copy_pci_info(eth_dev, pci_dev); - /* If host does not support status then disable LSC */ - if (!vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) - eth_dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC; - else + /* If host does not support both status and MSI-X then disable LSC */ + if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) && hw->use_msix) eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC; + else + eth_dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC; rx_func_get(eth_dev); @@ -1550,9 +1555,6 @@ virtio_dev_start(struct rte_eth_dev *dev) } } - /* Initialize Link state */ - virtio_dev_link_update(dev, 0); - /*Notify the backend *Otherwise the tap backend might already stop its queue due to fullness. *vhost backend will have no chance to be waked up @@ -1582,6 +1584,11 @@ virtio_dev_start(struct rte_eth_dev *dev) VIRTQUEUE_DUMP(txvq->vq); } + hw->started = 1; + + /* Initialize Link state */ + virtio_dev_link_update(dev, 0); + return 0; } @@ -1636,6 +1643,7 @@ static void virtio_dev_free_mbufs(struct rte_eth_dev *dev) static void virtio_dev_stop(struct rte_eth_dev *dev) { + struct virtio_hw *hw = dev->data->dev_private; struct rte_eth_link link; PMD_INIT_LOG(DEBUG, "stop"); @@ -1643,6 +1651,7 @@ virtio_dev_stop(struct rte_eth_dev *dev) if (dev->data->dev_conf.intr_conf.lsc) rte_intr_disable(&dev->pci_dev->intr_handle); + hw->started = 0; memset(&link, 0, sizeof(link)); virtio_dev_atomic_write_link_status(dev, &link); } @@ -1659,7 +1668,9 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet link.link_duplex = ETH_LINK_FULL_DUPLEX; link.link_speed = SPEED_10G; - if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) { + if (hw->started == 0) { + link.link_status = ETH_LINK_DOWN; + } else if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) { PMD_INIT_LOG(DEBUG, "Get link status from hw"); vtpci_read_dev_config(hw, offsetof(struct virtio_net_config, status), |