From 3bd77e2ae1477d6f87fc3f542c737119d5decf9f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patryk=20Ma=C5=82ek?= Date: Tue, 28 Aug 2018 10:16:02 -0700 Subject: [PATCH] i40evf: Don't enable vlan stripping when rx offload is turned on MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With current implementation of i40evf_set_features when user sets any offload via ethtool we set I40EVF_FLAG_AQ_ENABLE_VLAN_STRIPPING as a required aq which triggers driver to call i40evf_enable_vlan_stripping. This shouldn't take place. This patches fixes it by setting the flag only when VLAN offload is turned on. Signed-off-by: Patryk Małek Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 07f187b5bcac..c7048cf484fb 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -3120,18 +3120,19 @@ static int i40evf_set_features(struct net_device *netdev, { struct i40evf_adapter *adapter = netdev_priv(netdev); - /* Don't allow changing VLAN_RX flag when VLAN is set for VF - * and return an error in this case + /* Don't allow changing VLAN_RX flag when adapter is not capable + * of VLAN offload */ - if (VLAN_ALLOWED(adapter)) { + if (!VLAN_ALLOWED(adapter)) { + if ((netdev->features ^ features) & NETIF_F_HW_VLAN_CTAG_RX) + return -EINVAL; + } else if ((netdev->features ^ features) & NETIF_F_HW_VLAN_CTAG_RX) { if (features & NETIF_F_HW_VLAN_CTAG_RX) adapter->aq_required |= I40EVF_FLAG_AQ_ENABLE_VLAN_STRIPPING; else adapter->aq_required |= I40EVF_FLAG_AQ_DISABLE_VLAN_STRIPPING; - } else if ((netdev->features ^ features) & NETIF_F_HW_VLAN_CTAG_RX) { - return -EINVAL; } return 0;