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qlge: remove NETIF_F_TSO6 flag

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It is werid that qlge driver supports NETIF_F_TSO6 but
not NETIF_F_IPV6_CSUM. This also causes some kernel warning [1]
when VLAN device setups on a qlge interface.

I think the qlge hardware doesn't support NETIF_F_IPV6_CSUM,
so we have to just remove the NETIF_F_TSO6 flag.

After this patch, the TCP/IPv6 traffic becomes normal again,
no kernel warnings any more.

NOTE: I only tested it on 2.6.32 kernel, even if the upstream
kernel could fix this automatically (it is hard to track NETIF*
flags), removing it is also safe.

1. https://bugzilla.redhat.com/show_bug.cgi?id=891839

Cc: Jitendra Kalsaria <[email protected]>
Cc: Ron Mercer <[email protected]>
Cc: [email protected]
Cc: David S. Miller <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Acked-by: Jitendra Kalsaria <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Amerigo Wang 2013-01-10 22:52:54 +00:00 • committed by David S. Miller
commit f7e9e230f4
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/qlogic/qlge/qlge_main.c
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@ -4678,7 +4678,7 @@ static int qlge_probe(struct pci_dev *pdev,
qdev = netdev_priv(ndev);
SET_NETDEV_DEV(ndev, &pdev->dev);
ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN |
NETIF_F_TSO | NETIF_F_TSO_ECN |
NETIF_F_HW_VLAN_TX | NETIF_F_RXCSUM;
ndev->features = ndev->hw_features |
NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;