|
@@ -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)
|
|
|
{
|