2 files changed, 36 insertions, 13 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 916061f..68ced4b 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -3,11 +3,20 @@
 #include <linux/if_vlan.h>
 #include "vlan.h"
 
+struct vlan_hwaccel_cb {
+	struct net_device	*dev;
+};
+
+static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb)
+{
+	return (struct vlan_hwaccel_cb *)skb->cb;
+}
+
 /* VLAN rx hw acceleration helper.  This acts like netif_{rx,receive_skb}(). */
 int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 		      u16 vlan_tci, int polling)
 {
-	struct net_device_stats *stats;
+	struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
 
 	if (skb_bond_should_drop(skb)) {
 		dev_kfree_skb_any(skb);
@@ -15,23 +24,35 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	}
 
 	skb->vlan_tci = vlan_tci;
+	cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+
+	return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+}
+EXPORT_SYMBOL(__vlan_hwaccel_rx);
+
+int vlan_hwaccel_do_receive(struct sk_buff *skb)
+{
+	struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
+	struct net_device *dev = cb->dev;
+	struct net_device_stats *stats;
+
 	netif_nit_deliver(skb);
 
-	skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
-	if (skb->dev == NULL) {
-		dev_kfree_skb_any(skb);
-		/* Not NET_RX_DROP, this is not being dropped
-		 * due to congestion. */
-		return NET_RX_SUCCESS;
+	if (dev == NULL) {
+		kfree_skb(skb);
+		return -1;
 	}
-	skb->dev->last_rx = jiffies;
+
+	skb->dev = dev;
+	skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci);
 	skb->vlan_tci = 0;
 
-	stats = &skb->dev->stats;
+	dev->last_rx = jiffies;
+
+	stats = &dev->stats;
 	stats->rx_packets++;
 	stats->rx_bytes += skb->len;
 
-	skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tci);
 	switch (skb->pkt_type) {
 	case PACKET_BROADCAST:
 		break;
@@ -43,13 +64,12 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 		 * This allows the VLAN to have a different MAC than the
 		 * underlying device, and still route correctly. */
 		if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-					skb->dev->dev_addr))
+					dev->dev_addr))
 			skb->pkt_type = PACKET_HOST;
 		break;
 	};
-	return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+	return 0;
 }
-EXPORT_SYMBOL(__vlan_hwaccel_rx);
 
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
diff --git a/net/core/dev.c b/net/core/dev.c
index d9038e3..9174c77 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2218,6 +2218,9 @@ int netif_receive_skb(struct sk_buff *skb)
 	int ret = NET_RX_DROP;
 	__be16 type;
 
+	if (skb->vlan_tci && vlan_hwaccel_do_receive(skb))
+		return NET_RX_SUCCESS;
+
 	/* if we've gotten here through NAPI, check netpoll */
 	if (netpoll_receive_skb(skb))
 		return NET_RX_DROP;