From c980a240bad8f8995805df3bfdfb18180dd08d03 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Wed, 29 May 2002 12:26:13 +0000
Subject: bring ECN plugin in sync with new ECN target

---
 include/linux/netfilter_ipv4/ipt_ECN.h | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

(limited to 'include/linux')

diff --git a/include/linux/netfilter_ipv4/ipt_ECN.h b/include/linux/netfilter_ipv4/ipt_ECN.h
index 1a02de76..bdbc2b39 100644
--- a/include/linux/netfilter_ipv4/ipt_ECN.h
+++ b/include/linux/netfilter_ipv4/ipt_ECN.h
@@ -4,22 +4,28 @@
  *
  * This software is distributed under GNU GPL v2, 1991
  * 
- * ipt_ECN.h,v 1.1 2002/02/17 21:30:16 laforge Exp
+ * $Id: ipt_ECN.h,v 1.2 2002/04/17 19:52:26 laforge Exp $
 */
-#ifndef _IPT_DSCP_H
-#define _IPT_DSCP_H
+#ifndef _IPT_ECN_TARGET_H
+#define _IPT_ECN_TARGET_H
 #include <linux/netfilter_ipv4/ipt_DSCP.h>
 
-#define IPT_ECN_MASK	(~IPT_DSCP_MASK)
+#define IPT_ECN_IP_MASK	(~IPT_DSCP_MASK)
 
-enum ipt_ecn_operation {
-	IPT_ECN_OP_NONE = 0,
-	IPT_ECN_OP_REMOVE,
-};
-#define IPT_ECN_OP_MAX	IPT_ECN_OP_REMOVE
+#define IPT_ECN_OP_SET_IP	0x01	/* set ECN bits of IPv4 header */
+#define IPT_ECN_OP_SET_ECE	0x10	/* set ECE bit of TCP header */
+#define IPT_ECN_OP_SET_CWR	0x20	/* set CWR bit of TCP header */
+
+#define IPT_ECN_OP_MASK		0xce
 
 struct ipt_ECN_info {
-	enum ipt_ecn_operation operation;
+	u_int8_t operation;	/* bitset of operations */
+	u_int8_t ip_ect;	/* ECT codepoint of IPv4 header, pre-shifted */
+	union {
+		struct {
+			u_int8_t ece:1, cwr:1; /* TCP ECT bits */
+		} tcp;
+	} proto;
 };
 
-#endif /* _IPT_ECN_H */
+#endif /* _IPT_ECN_TARGET_H */
-- 
cgit v1.2.3