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-rw-r--r--include/linux/if_tunnel.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 1cc595a67cc..f4e56ecd0b1 100644
--- 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_ */