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Diffstat (limited to 'net/dsa/slave.c')
-rw-r--r--net/dsa/slave.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 0917123..5fc87ee 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -421,21 +421,32 @@ static int dsa_slave_port_attr_get(struct net_device *dev,
static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct dsa_slave_priv *p = netdev_priv(dev);
+ struct sk_buff *nskb;
- return p->xmit(skb, dev);
-}
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
-static netdev_tx_t dsa_slave_notag_xmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- struct dsa_slave_priv *p = netdev_priv(dev);
+ /* Transmit function may have to reallocate the original SKB */
+ nskb = p->xmit(skb, dev);
+ if (!nskb)
+ return NETDEV_TX_OK;
- skb->dev = p->parent->dst->master_netdev;
- dev_queue_xmit(skb);
+ /* Queue the SKB for transmission on the parent interface, but
+ * do not modify its EtherType
+ */
+ nskb->dev = p->parent->dst->master_netdev;
+ dev_queue_xmit(nskb);
return NETDEV_TX_OK;
}
+static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ /* Just return the original SKB */
+ return skb;
+}
+
/* ethtool operations *******************************************************/
static int