On Mon, 2015-11-09 at 11:10 +1100, Gavin Shan wrote:
> This enables IP/UDP/TCP offload checksum according to information
> passed on from bootloader through device-tree. The offload doesn't
> working properly when the interface works in NCSI mode.
>
> Signed-off-by: Gavin Shan <[email protected]>
> ---
> drivers/net/ethernet/faraday/ftgmac100.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> b/drivers/net/ethernet/faraday/ftgmac100.c
> index 1b13fd4..1e2f4d2 100644
> --- a/drivers/net/ethernet/faraday/ftgmac100.c
> +++ b/drivers/net/ethernet/faraday/ftgmac100.c
> @@ -1377,7 +1377,10 @@ static int ftgmac100_probe(struct platform_device
> *pdev)
>
> > > netdev->ethtool_ops = &ftgmac100_ethtool_ops;
> > > netdev->netdev_ops = &ftgmac100_netdev_ops;
> -> > netdev->features = NETIF_F_IP_CSUM | NETIF_F_GRO;
> +> > netdev->features = NETIF_F_GRO;
> +> > if (pdev->dev.of_node &&
> +> > of_property_read_bool(pdev->dev.of_node, "no-hw-checksum"))
> +> > > netdev->features |= NETIF_F_IP_CSUM;
Am I reading properly that if you put "no-hw-checksum" in the device-
tree you *enable* HW checksum ? This doesn't look right to me...
The logic should be:
if (pdev->dev.of_node &&
of_property_read_bool(pdev->dev.of_node, "no-hw-checksum"))
netdev->features &= ~NETIF_F_IP_CSUM;
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