X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fnet%2Fmacvlan.c;h=18373b6ae37d78543cf925e2d86efab1578f3019;hb=4e144d3a807d6d2aa03d2cb234d88ef1a140e8c3;hp=1c502bb0c916ff549ab10400af5d24b7f61c4866;hpb=c4ad180f0e2ef98de48179aec7afe004562c0ec5;p=cascardo%2Flinux.git

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1c502bb0c916..18373b6ae37d 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -638,6 +638,14 @@ static int macvlan_ethtool_get_settings(struct net_device *dev,
 	return __ethtool_get_settings(vlan->lowerdev, cmd);
 }
 
+static netdev_features_t macvlan_fix_features(struct net_device *dev,
+					      netdev_features_t features)
+{
+	struct macvlan_dev *vlan = netdev_priv(dev);
+
+	return features & (vlan->set_features | ~MACVLAN_FEATURES);
+}
+
 static const struct ethtool_ops macvlan_ethtool_ops = {
 	.get_link		= ethtool_op_get_link,
 	.get_settings		= macvlan_ethtool_get_settings,
@@ -651,6 +659,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
 	.ndo_stop		= macvlan_stop,
 	.ndo_start_xmit		= macvlan_start_xmit,
 	.ndo_change_mtu		= macvlan_change_mtu,
+	.ndo_fix_features	= macvlan_fix_features,
 	.ndo_change_rx_flags	= macvlan_change_rx_flags,
 	.ndo_set_mac_address	= macvlan_set_mac_address,
 	.ndo_set_rx_mode	= macvlan_set_mac_lists,
@@ -791,6 +800,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
 	vlan->port     = port;
 	vlan->receive  = receive;
 	vlan->forward  = forward;
+	vlan->set_features = MACVLAN_FEATURES;
 
 	vlan->mode     = MACVLAN_MODE_VEPA;
 	if (data && data[IFLA_MACVLAN_MODE])
@@ -853,18 +863,24 @@ static int macvlan_changelink(struct net_device *dev,
 		struct nlattr *tb[], struct nlattr *data[])
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
-	if (data && data[IFLA_MACVLAN_MODE])
-		vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
+
 	if (data && data[IFLA_MACVLAN_FLAGS]) {
 		__u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
 		bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC;
-
-		if (promisc && (flags & MACVLAN_FLAG_NOPROMISC))
-			dev_set_promiscuity(vlan->lowerdev, -1);
-		else if (promisc && !(flags & MACVLAN_FLAG_NOPROMISC))
-			dev_set_promiscuity(vlan->lowerdev, 1);
+		if (vlan->port->passthru && promisc) {
+			int err;
+
+			if (flags & MACVLAN_FLAG_NOPROMISC)
+				err = dev_set_promiscuity(vlan->lowerdev, -1);
+			else
+				err = dev_set_promiscuity(vlan->lowerdev, 1);
+			if (err < 0)
+				return err;
+		}
 		vlan->flags = flags;
 	}
+	if (data && data[IFLA_MACVLAN_MODE])
+		vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
 	return 0;
 }
 
@@ -921,7 +937,7 @@ static struct rtnl_link_ops macvlan_link_ops = {
 static int macvlan_device_event(struct notifier_block *unused,
 				unsigned long event, void *ptr)
 {
-	struct net_device *dev = ptr;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct macvlan_dev *vlan, *next;
 	struct macvlan_port *port;
 	LIST_HEAD(list_kill);