text: #ifndef _XT_CONNLIMIT_H
  #define _XT_CONNLIMIT_H
  
  #include <linux/types.h>
  #include <linux/netfilter.h>
  
  struct xt_connlimit_data;
  
  enum {
  	XT_CONNLIMIT_INVERT = 1 << 0,
  	XT_CONNLIMIT_DADDR  = 1 << 1,
  };
  
  struct xt_connlimit_info {
  	union {
  		union nf_inet_addr mask;
  		union {
  			__be32 v4_mask;
  			__be32 v6_mask[4];
  		};
  	};
  	unsigned int limit;
  	/* revision 1 */
  	__u32 flags;
  
  	/* Used internally by the kernel */
  	struct xt_connlimit_data *data __attribute__((aligned(8)));
  };
  
  #endif /* _XT_CONNLIMIT_H */
  