text: /****************************************************************************
   ****************************************************************************
   ***
   ***   This header was automatically generated from a Linux kernel header
   ***   of the same name, to make information necessary for userspace to
   ***   call into the kernel available to libc.  It contains only constants,
   ***   structures, and macros generated from the original header, and thus,
   ***   contains no copyrightable information.
   ***
   ****************************************************************************
   ****************************************************************************/
  #ifndef _IPT_ECN_TARGET_H
  #define _IPT_ECN_TARGET_H
  #include <linux/netfilter_ipv4/ipt_DSCP.h>
  
  #define IPT_ECN_IP_MASK (~IPT_DSCP_MASK)
  
  #define IPT_ECN_OP_SET_IP 0x01  
  #define IPT_ECN_OP_SET_ECE 0x10  
  #define IPT_ECN_OP_SET_CWR 0x20  
  
  #define IPT_ECN_OP_MASK 0xce
  
  struct ipt_ECN_info {
   u_int8_t operation;
   u_int8_t ip_ect;
   union {
   struct {
   u_int8_t ece:1, cwr:1;
   } tcp;
   } proto;
  };
  
  #endif
  