net: core: explicitly select a txq before doing l2 forwarding

[~andy/linux] / drivers / net / macvlan.c

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index acf93798dc675929394e82ffed96cd1616c3a31d..bc8faaec33f5afb0bbf7efdd88cd082122c3cc7f 100644 (file)
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -299,7 +299,7 @@ netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
 
        if (vlan->fwd_priv) {
                skb->dev = vlan->lowerdev;
-               ret = dev_hard_start_xmit(skb, skb->dev, NULL, vlan->fwd_priv);
+               ret = dev_queue_xmit_accel(skb, vlan->fwd_priv);
        } else {
                ret = macvlan_queue_xmit(skb, dev);
        }
@@ -338,6 +338,8 @@ static const struct header_ops macvlan_hard_header_ops = {
        .cache_update   = eth_header_cache_update,
 };
 
+static struct rtnl_link_ops macvlan_link_ops;
+
 static int macvlan_open(struct net_device *dev)
 {
        struct macvlan_dev *vlan = netdev_priv(dev);
@@ -353,7 +355,8 @@ static int macvlan_open(struct net_device *dev)
                goto hash_add;
        }
 
-       if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD) {
+       if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD &&
+           dev->rtnl_link_ops == &macvlan_link_ops) {
                vlan->fwd_priv =
                      lowerdev->netdev_ops->ndo_dfwd_add_station(lowerdev, dev);
 
@@ -362,10 +365,8 @@ static int macvlan_open(struct net_device *dev)
                 */
                if (IS_ERR_OR_NULL(vlan->fwd_priv)) {
                        vlan->fwd_priv = NULL;
-               } else {
-                       dev->features &= ~NETIF_F_LLTX;
+               } else
                        return 0;
-               }
        }
 
        err = -EBUSY;
@@ -690,8 +691,18 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev,
                                              netdev_features_t features)
 {
        struct macvlan_dev *vlan = netdev_priv(dev);
+       netdev_features_t mask;
+
+       features |= NETIF_F_ALL_FOR_ALL;
+       features &= (vlan->set_features | ~MACVLAN_FEATURES);
+       mask = features;
+
+       features = netdev_increment_features(vlan->lowerdev->features,
+                                            features,
+                                            mask);
+       features |= NETIF_F_LLTX;
 
-       return features & (vlan->set_features | ~MACVLAN_FEATURES);
+       return features;
 }
 
 static const struct ethtool_ops macvlan_ethtool_ops = {
@@ -1019,9 +1030,8 @@ static int macvlan_device_event(struct notifier_block *unused,
                break;
        case NETDEV_FEAT_CHANGE:
                list_for_each_entry(vlan, &port->vlans, list) {
-                       vlan->dev->features = dev->features & MACVLAN_FEATURES;
                        vlan->dev->gso_max_size = dev->gso_max_size;
-                       netdev_features_change(vlan->dev);
+                       netdev_update_features(vlan->dev);
                }
                break;
        case NETDEV_UNREGISTER: