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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:41:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:41:34 +0000
commitf7b5fc832288fae3f5a0f3d24b96782252aabbaf (patch)
tree711bd849ca1348d3c97dc9bbbd157b80e9c410aa /ntp.h
parentInitial commit. (diff)
downloadtcpdump-f7b5fc832288fae3f5a0f3d24b96782252aabbaf.tar.xz
tcpdump-f7b5fc832288fae3f5a0f3d24b96782252aabbaf.zip
Adding upstream version 4.99.3.upstream/4.99.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ntp.h')
-rw-r--r--ntp.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/ntp.h b/ntp.h
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+/*
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+
+/*
+ * Structure definitions for NTP fixed point values
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Integer Part |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Fraction Part |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Integer Part | Fraction Part |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+struct l_fixedpt {
+ nd_uint32_t int_part;
+ nd_uint32_t fraction;
+};
+
+struct s_fixedpt {
+ nd_uint16_t int_part;
+ nd_uint16_t fraction;
+};
+
+void p_ntp_time(netdissect_options *, const struct l_fixedpt *);