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authorJan Engelhardt <jengelh@medozas.de>2011-06-09 21:03:07 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2011-12-27 20:31:31 +0100
commitd446a8202c81d95f91b1682fc67e7fadd9a31389 (patch)
treee3e7dcc79eab38846b53af613929b68aa0318752 /include/linux/netfilter
parentc0d2b8376ae2d74aa862e946a372502603e9066d (diff)
netfilter: xtables: move ipt_ecn to xt_ecn
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>
Diffstat (limited to 'include/linux/netfilter')
-rw-r--r--include/linux/netfilter/Kbuild1
-rw-r--r--include/linux/netfilter/xt_ecn.h35
2 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index e630a2ed4f1..e144f54185c 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -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
diff --git a/include/linux/netfilter/xt_ecn.h b/include/linux/netfilter/xt_ecn.h
new file mode 100644
index 00000000000..065c1a537e5
--- /dev/null
+++ b/include/linux/netfilter/xt_ecn.h
@@ -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 */