cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / netfilter_ipv4 / ipt_ECN.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/netfilter_ipv4/ipt_ECN.h b/i686-linux-gnu-4.7/usr/include/linux/netfilter_ipv4/ipt_ECN.h
new file mode 100644 (file)
index 0000000..e3630fd
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/netfilter_ipv4/ipt_ECN.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* 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/types.h>
+#include <linux/netfilter/xt_DSCP.h>
+
+#define IPT_ECN_IP_MASK        (~XT_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 {
+       __u8 operation; /* bitset of operations */
+       __u8 ip_ect;    /* ECT codepoint of IPv4 header, pre-shifted */
+       union {
+               struct {
+                       __u8 ece:1, cwr:1; /* TCP ECT bits */
+               } tcp;
+       } proto;
+};
+
+#endif /* _IPT_ECN_TARGET_H */