linux/include/linux/if_tunnel.h
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   1#ifndef _IF_TUNNEL_H_
   2#define _IF_TUNNEL_H_
   3
   4#include <linux/ip.h>
   5#include <linux/in6.h>
   6#include <uapi/linux/if_tunnel.h>
   7#include <linux/u64_stats_sync.h>
   8
   9/*
  10 * Locking : hash tables are protected by RCU and RTNL
  11 */
  12
  13#define for_each_ip_tunnel_rcu(pos, start) \
  14        for (pos = rcu_dereference(start); pos; pos = rcu_dereference(pos->next))
  15
  16/* often modified stats are per cpu, other are shared (netdev->stats) */
  17struct pcpu_tstats {
  18        u64     rx_packets;
  19        u64     rx_bytes;
  20        u64     tx_packets;
  21        u64     tx_bytes;
  22        struct u64_stats_sync   syncp;
  23};
  24
  25#endif /* _IF_TUNNEL_H_ */
  26
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