#ifndef __LINUX_TC_NAT_H
  #define __LINUX_TC_NAT_H
  
  #include <linux/pkt_cls.h>
  #include <linux/types.h>
  
  #define TCA_ACT_NAT 9
  
  enum {
  	TCA_NAT_UNSPEC,
  	TCA_NAT_PARMS,
  	TCA_NAT_TM,
  	__TCA_NAT_MAX
  };
  #define TCA_NAT_MAX (__TCA_NAT_MAX - 1)
  
  #define TCA_NAT_FLAG_EGRESS 1
  
  struct tc_nat {
  	tc_gen;
  	__be32 old_addr;
  	__be32 new_addr;
  	__be32 mask;
  	__u32 flags;
  };
  
  #endif