https://github.com/torvalds/linux
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Tip revision: 9931faca02c604c22335f5a935a501bb2ace6e20 authored by Linus Torvalds on 10 January 2013, 02:59:55 UTC
Linux 3.8-rc3
Tip revision: 9931fac
if_tunnel.h
#ifndef _IF_TUNNEL_H_
#define _IF_TUNNEL_H_

#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_ */
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