Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

[cascardo/linux.git] / include / linux / if_tunnel.h

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 1cc595a..f4e56ec 100644 (file)
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -4,5 +4,22 @@
 #include <linux/ip.h>
 #include <linux/in6.h>
 #include <uapi/linux/if_tunnel.h>
+#include <linux/u64_stats_sync.h>
+
+/*
+ * Locking : hash tables are protected by RCU and RTNL
+ */
+
+#define for_each_ip_tunnel_rcu(pos, start) \
+       for (pos = rcu_dereference(start); pos; pos = rcu_dereference(pos->next))
+
+/* often modified stats are per cpu, other are shared (netdev->stats) */
+struct pcpu_tstats {
+       u64     rx_packets;
+       u64     rx_bytes;
+       u64     tx_packets;
+       u64     tx_bytes;
+       struct u64_stats_sync   syncp;
+};
 
 #endif /* _IF_TUNNEL_H_ */