提交 90592b9a 编写于 作者: A Arjun Vynipadath 提交者: David S. Miller

cxgb4: Fix netdev_features flag

GRO is not supported by Chelsio HW when rx_csum is disabled.
Update the netdev features flag when rx_csum is modified.
Signed-off-by: NArjun Vynipadath <arjun@chelsio.com>
Signed-off-by: NSteve Wise <swise@opengridcomputing.com>
Signed-off-by: NGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 26747211
......@@ -2727,6 +2727,16 @@ static int cxgb_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
return -EOPNOTSUPP;
}
static netdev_features_t cxgb_fix_features(struct net_device *dev,
netdev_features_t features)
{
/* Disable GRO, if RX_CSUM is disabled */
if (!(features & NETIF_F_RXCSUM))
features &= ~NETIF_F_GRO;
return features;
}
static const struct net_device_ops cxgb4_netdev_ops = {
.ndo_open = cxgb_open,
.ndo_stop = cxgb_close,
......@@ -2748,6 +2758,7 @@ static const struct net_device_ops cxgb4_netdev_ops = {
#endif /* CONFIG_CHELSIO_T4_FCOE */
.ndo_set_tx_maxrate = cxgb_set_tx_maxrate,
.ndo_setup_tc = cxgb_setup_tc,
.ndo_fix_features = cxgb_fix_features,
};
#ifdef CONFIG_PCI_IOV
......
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