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net/virtio: fix rewriting LSC flag

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The LSC flag is decided according to if VIRTIO_NET_F_STATUS feature
is negotiated. Copy the PCI info after the judgement will rewrite
the correct result.

Fixes: 198ab33677 ("net/virtio: move device initialization in a function")
CC: stable@dpdk.org

Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Tested-by: Lei Yao <lei.a.yao@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Jianfeng Tan 2017-01-17 07:10:21 +00:00 committed by Yuanhan Liu
parent be7a4707f7
commit f229eb41ee
1 changed files with 5 additions and 6 deletions
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11
drivers/net/virtio/virtio_ethdev.c
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@ -1208,18 +1208,17 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
if (virtio_negotiate_features(hw, req_features) < 0)
return -1;
if (eth_dev->device) {
pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
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
eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
if (eth_dev->device) {
pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
rte_eth_copy_pci_info(eth_dev, pci_dev);
eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
}
rx_func_get(eth_dev);
/* Setting up rx_header size for the device */