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netfilter: xtables: move ipt_ecn to xt_ecn

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Prepare the ECN match for augmentation by an IPv6 counterpart. Since
no symbol dependencies to ipv6.ko are added, having a single ecn match
module is the more so welcome.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jan Engelhardt
2011-06-09 21:03:07 +02:00
committed by Pablo Neira Ayuso
parent c0d2b8376a
commit d446a8202c
8 changed files with 53 additions and 36 deletions
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1
include/linux/netfilter/Kbuild
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@@ -43,6 +43,7 @@ header-y += xt_cpu.h
header-y += xt_dccp.h
header-y += xt_devgroup.h
header-y += xt_dscp.h
header-y += xt_ecn.h
header-y += xt_esp.h
header-y += xt_hashlimit.h
header-y += xt_helper.h

35
include/linux/netfilter/xt_ecn.h Normal file
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@@ -0,0 +1,35 @@
/* iptables module for matching the ECN header in IPv4 and TCP header
*
* (C) 2002 Harald Welte <laforge@gnumonks.org>
*
* This software is distributed under GNU GPL v2, 1991
*
* ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
*/
#ifndef _XT_ECN_H
#define _XT_ECN_H
#include <linux/types.h>
#include <linux/netfilter/xt_dscp.h>
#define IPT_ECN_IP_MASK (~XT_DSCP_MASK)
#define IPT_ECN_OP_MATCH_IP 0x01
#define IPT_ECN_OP_MATCH_ECE 0x10
#define IPT_ECN_OP_MATCH_CWR 0x20
#define IPT_ECN_OP_MATCH_MASK 0xce
/* match info */
struct ipt_ecn_info {
__u8 operation;
__u8 invert;
__u8 ip_ect;
union {
struct {
__u8 ect;
} tcp;
} proto;
};
#endif /* _XT_ECN_H */