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-rw-r--r--include/linux/netdevice.h1
-rw-r--r--include/net/dst.h24
-rw-r--r--include/net/ipip.h12
3 files changed, 27 insertions, 10 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 01bd4c82d982..83de0eb7a071 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1053,6 +1053,7 @@ struct net_device {
union {
void *ml_priv;
struct pcpu_lstats __percpu *lstats; /* loopback stats */
+ struct pcpu_tstats __percpu *tstats; /* tunnel stats */
};
/* GARP */
struct garp_port *garp_port;
diff --git a/include/net/dst.h b/include/net/dst.h
index 02386505033d..aa53fbc34b2b 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -228,23 +228,37 @@ static inline void skb_dst_force(struct sk_buff *skb)
/**
+ * __skb_tunnel_rx - prepare skb for rx reinsert
+ * @skb: buffer
+ * @dev: tunnel device
+ *
+ * After decapsulation, packet is going to re-enter (netif_rx()) our stack,
+ * so make some cleanups. (no accounting done)
+ */
+static inline void __skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev)
+{
+ skb->dev = dev;
+ skb->rxhash = 0;
+ skb_set_queue_mapping(skb, 0);
+ skb_dst_drop(skb);
+ nf_reset(skb);
+}
+
+/**
* skb_tunnel_rx - prepare skb for rx reinsert
* @skb: buffer
* @dev: tunnel device
*
* After decapsulation, packet is going to re-enter (netif_rx()) our stack,
* so make some cleanups, and perform accounting.
+ * Note: this accounting is not SMP safe.
*/
static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev)
{
- skb->dev = dev;
/* TODO : stats should be SMP safe */
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;
- skb->rxhash = 0;
- skb_set_queue_mapping(skb, 0);
- skb_dst_drop(skb);
- nf_reset(skb);
+ __skb_tunnel_rx(skb, dev);
}
/* Children define the path of the packet through the
diff --git a/include/net/ipip.h b/include/net/ipip.h
index 65caea8b414f..58abbf966b0c 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -45,7 +45,7 @@ struct ip_tunnel_prl_entry {
struct rcu_head rcu_head;
};
-#define IPTUNNEL_XMIT() do { \
+#define __IPTUNNEL_XMIT(stats1, stats2) do { \
int err; \
int pkt_len = skb->len - skb_transport_offset(skb); \
\
@@ -54,12 +54,14 @@ struct ip_tunnel_prl_entry {
\
err = ip_local_out(skb); \
if (likely(net_xmit_eval(err) == 0)) { \
- txq->tx_bytes += pkt_len; \
- txq->tx_packets++; \
+ (stats1)->tx_bytes += pkt_len; \
+ (stats1)->tx_packets++; \
} else { \
- stats->tx_errors++; \
- stats->tx_aborted_errors++; \
+ (stats2)->tx_errors++; \
+ (stats2)->tx_aborted_errors++; \
} \
} while (0)
+#define IPTUNNEL_XMIT() __IPTUNNEL_XMIT(txq, stats)
+
#endif