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authorGanesh Goudar <ganeshgr@chelsio.com>2018-01-10 15:45:47 +0300
committerDavid S. Miller <davem@davemloft.net>2018-01-11 18:58:56 +0300
commit4621ffd604f935bd3c5d989364ef586c5ff79c98 (patch)
tree88017a3a8a930b029589d8cebf0ea28828726c3d
parentd0a1299c6bf7d80c8bb8e181f36a7c407a4cabca (diff)
downloadlinux-4621ffd604f935bd3c5d989364ef586c5ff79c98.tar.xz
cxgb4: implement ndo_features_check
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index d0e08f6a441d..3293980ce6e0 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -3115,6 +3115,24 @@ static void cxgb_add_udp_tunnel(struct net_device *netdev,
}
}
+static netdev_features_t cxgb_features_check(struct sk_buff *skb,
+ struct net_device *dev,
+ netdev_features_t features)
+{
+ struct port_info *pi = netdev_priv(dev);
+ struct adapter *adapter = pi->adapter;
+
+ if (CHELSIO_CHIP_VERSION(adapter->params.chip) < CHELSIO_T6)
+ return features;
+
+ /* Check if hw supports offload for this packet */
+ if (!skb->encapsulation || cxgb_encap_offload_supported(skb))
+ return features;
+
+ /* Offload is not supported for this encapsulated packet */
+ return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+}
+
static netdev_features_t cxgb_fix_features(struct net_device *dev,
netdev_features_t features)
{
@@ -3148,6 +3166,7 @@ static const struct net_device_ops cxgb4_netdev_ops = {
.ndo_setup_tc = cxgb_setup_tc,
.ndo_udp_tunnel_add = cxgb_add_udp_tunnel,
.ndo_udp_tunnel_del = cxgb_del_udp_tunnel,
+ .ndo_features_check = cxgb_features_check,
.ndo_fix_features = cxgb_fix_features,
};