[PATCH v4 01/10] net/virtio: fix rewriting LSC flag
From: Jianfeng Tan <hidden>
Date: 2017-01-17 07:10:21
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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: 198ab33677c9 ("net/virtio: move device initialization in a function")
CC: stable@dpdk.org
Signed-off-by: Jianfeng Tan <redacted>
Tested-by: Lei Yao <redacted>
---
drivers/net/virtio/virtio_ethdev.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index f596f4d..837d3df 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c@@ -1208,17 +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); - } - rx_func_get(eth_dev); /* Setting up rx_header size for the device */
--
2.7.4