From 4621ffd604f935bd3c5d989364ef586c5ff79c98 Mon Sep 17 00:00:00 2001 From: Ganesh Goudar Date: Wed, 10 Jan 2018 18:15:47 +0530 Subject: [PATCH] cxgb4: implement ndo_features_check Signed-off-by: Ganesh Goudar Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) 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, }; -- 2.11.0