i40e/i40evf: Only offload VLAN tag if enabled

The driver was offloading the VLAN tag into the skb
any time there was a VLAN tag and the hardware stripping was
enabled.  Just check to make sure it's enabled before put_tag.

Change-Id: Ife95290c06edd9a616393b38679923938b382241
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 6e44cf1..285efe9 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1370,7 +1370,8 @@ static void i40e_receive_skb(struct i40e_ring *rx_ring,
 {
        struct i40e_q_vector *q_vector = rx_ring->q_vector;
 
-       if (vlan_tag & VLAN_VID_MASK)
+       if ((rx_ring->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+           (vlan_tag & VLAN_VID_MASK))
                __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
 
        napi_gro_receive(&q_vector->napi, skb);

diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index f101895..4633235 100644 (file)
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -842,7 +842,8 @@ static void i40e_receive_skb(struct i40e_ring *rx_ring,
 {
        struct i40e_q_vector *q_vector = rx_ring->q_vector;
 
-       if (vlan_tag & VLAN_VID_MASK)
+       if ((rx_ring->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+           (vlan_tag & VLAN_VID_MASK))
                __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
 
        napi_gro_receive(&q_vector->napi, skb);