patch-2.4.20 linux-2.4.20/include/linux/netfilter_ipv4/ipt_ECN.h

• Lines: 32
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/linux/netfilter_ipv4/ipt_ECN.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/linux/netfilter_ipv4/ipt_ECN.h linux-2.4.20/include/linux/netfilter_ipv4/ipt_ECN.h
@@ -0,0 +1,31 @@
+/* Header file for iptables ipt_ECN target
+ *
+ * (C) 2002 by Harald Welte <laforge@gnumonks.org>
+ *
+ * This software is distributed under GNU GPL v2, 1991
+ * 
+ * ipt_ECN.h,v 1.3 2002/05/29 12:17:40 laforge Exp
+*/
+#ifndef _IPT_ECN_TARGET_H
+#define _IPT_ECN_TARGET_H
+#include <linux/netfilter_ipv4/ipt_DSCP.h>
+
+#define IPT_ECN_IP_MASK	(~IPT_DSCP_MASK)
+
+#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 {
+	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_TARGET_H */