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authorArjun Vynipadath <arjun@chelsio.com>2017-05-30 13:30:24 +0530
committerDavid S. Miller <davem@davemloft.net>2017-05-30 14:16:34 -0400
commit90592b9a35836bacd34d92a3aba7958756b6a7c0 (patch)
tree15802702a4e4caff2ee752253b8bd7366cdbdf4c /drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
parent26747211486c5bc7dd014c3caab206576e00c0d0 (diff)
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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: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 06c3414c93b1..8c69046be025 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
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