From: Mitch Williams <mitch.a.williams@intel.com>
Date: Fri, 28 Aug 2015 21:55:57 +0000 (-0400)
Subject: i40evf: use capabilities flags properly
X-Git-Tag: firefly_0821_release~176^2~818^2~181^2~2
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=8ed995ff6bb9c5436db64b3653a0c62a0cd18f08;p=firefly-linux-kernel-4.4.55.git

i40evf: use capabilities flags properly

Use the capabilities passed to us by the PF driver to control VF driver
behavior. In the process, clean up the VLAN add/remove code so it's not
a horrible morass of ifdefs.

Change-ID: I1050eaf12b658a26fea6813047c9964163c70a73
Signed-off-by: Mitch Williams <mitch.a.williams@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/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 664fde68b537..1f999305c406 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -730,6 +730,8 @@ static int i40evf_vlan_rx_add_vid(struct net_device *netdev,
 {
 	struct i40evf_adapter *adapter = netdev_priv(netdev);
 
+	if (!VLAN_ALLOWED(adapter))
+		return -EIO;
 	if (i40evf_add_vlan(adapter, vid) == NULL)
 		return -ENOMEM;
 	return 0;
@@ -745,8 +747,11 @@ static int i40evf_vlan_rx_kill_vid(struct net_device *netdev,
 {
 	struct i40evf_adapter *adapter = netdev_priv(netdev);
 
-	i40evf_del_vlan(adapter, vid);
-	return 0;
+	if (VLAN_ALLOWED(adapter)) {
+		i40evf_del_vlan(adapter, vid);
+		return 0;
+	}
+	return -EIO;
 }
 
 /**