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Linux/include/linux/netfilter_ipv4/ipt_ecn.h

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  1 /* iptables module for matching the ECN header in IPv4 and TCP header
  2  *
  3  * (C) 2002 Harald Welte <laforge@gnumonks.org>
  4  *
  5  * This software is distributed under GNU GPL v2, 1991
  6  * 
  7  * ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
  8 */
  9 #ifndef _IPT_ECN_H
 10 #define _IPT_ECN_H
 11 #include <linux/netfilter_ipv4/ipt_dscp.h>
 12 
 13 #define IPT_ECN_IP_MASK (~IPT_DSCP_MASK)
 14 
 15 #define IPT_ECN_OP_MATCH_IP     0x01
 16 #define IPT_ECN_OP_MATCH_ECE    0x10
 17 #define IPT_ECN_OP_MATCH_CWR    0x20
 18 
 19 #define IPT_ECN_OP_MATCH_MASK   0xce
 20 
 21 /* match info */
 22 struct ipt_ecn_info {
 23         u_int8_t operation;
 24         u_int8_t invert;
 25         u_int8_t ip_ect;
 26         union {
 27                 struct {
 28                         u_int8_t ect;
 29                 } tcp;
 30         } proto;
 31 };
 32 
 33 #endif /* _IPT_ECN_H */
 34 

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