vlan/macvlan: propagate transmission state to upper layers

Both vlan and macvlan devices usually don't use a qdisc and immediately queue packets to the underlying device. Propagate transmission state of the underlying device to the upper layers so they can react on congestion and/or inform the sending process. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Nov 13, 2009 · cbbef5e · cbbef5e
1 parent 572a9d7
commit cbbef5e
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
@@ -202,7 +202,7 @@ static netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev,

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
@@ -332,7 +332,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
@@ -358,7 +358,7 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)