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@@ -1,4 +1,5 @@
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-/* Copyright (C) 1991,92,93,95,96,97,98,99,2000 Free Software Foundation, Inc.
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+/* Copyright (C) 1991,92,93,95,96,97,98,99,2000,2009 Free Software
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+ Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@@ -152,6 +153,41 @@ struct ip_timestamp
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#define IPVERSION 4 /* IP version number */
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#define IP_MAXPACKET 65535 /* maximum packet size */
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+/*
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+ * Definitions for Explicit Congestion Notification (ECN)
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+ *
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+ * Taken from RFC-3168, Section 5.
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+ */
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+
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+#define IPTOS_ECN_MASK 0x03
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+#define IPTOS_ECN(x) ((x) & IPTOS_ECN_MASK)
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+#define IPTOS_ECN_NOT_ECT 0x00
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+#define IPTOS_ECN_ECT1 0x01
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+#define IPTOS_ECN_ECT0 0x02
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+#define IPTOS_ECN_CE 0x03
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+
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+/*
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+ * Definitions for IP differentiated services code points (DSCP)
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+ *
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+ * Taken from RFC-2597, Section 6 and RFC-2598, Section 2.3.
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+ */
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+
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+#define IPTOS_DSCP_MASK 0xfc
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+#define IPTOS_DSCP(x) ((x) & IPTOS_DSCP_MASK)
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+#define IPTOS_DSCP_AF11 0x28
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+#define IPTOS_DSCP_AF12 0x30
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+#define IPTOS_DSCP_AF13 0x38
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+#define IPTOS_DSCP_AF21 0x48
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+#define IPTOS_DSCP_AF22 0x50
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+#define IPTOS_DSCP_AF23 0x58
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+#define IPTOS_DSCP_AF31 0x68
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+#define IPTOS_DSCP_AF32 0x70
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+#define IPTOS_DSCP_AF33 0x78
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+#define IPTOS_DSCP_AF41 0x88
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+#define IPTOS_DSCP_AF42 0x90
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+#define IPTOS_DSCP_AF43 0x98
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+#define IPTOS_DSCP_EF 0xb8
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+
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/*
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* Definitions for IP type of service (ip_tos)
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*/
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