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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/netfilter/xt_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 _XT_ECN_H
 10 #define _XT_ECN_H
 11 
 12 #include <linux/types.h>
 13 #include <linux/netfilter/xt_dscp.h>
 14 
 15 #define XT_ECN_IP_MASK  (~XT_DSCP_MASK)
 16 
 17 #define XT_ECN_OP_MATCH_IP      0x01
 18 #define XT_ECN_OP_MATCH_ECE     0x10
 19 #define XT_ECN_OP_MATCH_CWR     0x20
 20 
 21 #define XT_ECN_OP_MATCH_MASK    0xce
 22 
 23 /* match info */
 24 struct xt_ecn_info {
 25         __u8 operation;
 26         __u8 invert;
 27         __u8 ip_ect;
 28         union {
 29                 struct {
 30                         __u8 ect;
 31                 } tcp;
 32         } proto;
 33 };
 34 
 35 #endif /* _XT_ECN_H */
 36 

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