From: Arjun Vynipadath <ar...@chelsio.com>
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: Arjun Vynipadath <ar...@chelsio.com>
Signed-off-by: Steve Wise <sw...@opengridcomputing.com>
Signed-off-by: Ganesh Goudar <ganes...@chelsio.com>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 06c3414..8c69046 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -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
--
2.1.0
