Introduce --time-stamp-precision

[tcpdump] / tcpdump.1.in

diff --git a/tcpdump.1.in b/tcpdump.1.in
index c3bce63dd5a0c612eecd3d616b123715e6dc8af3..3cceb4683fba647570e997f6d6fa701db9f2fb6f 100644 (file)
--- a/tcpdump.1.in
+++ b/tcpdump.1.in
@@ -20,7 +20,7 @@
 .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 .\"
-.TH TCPDUMP 1  "26 February 2014"
+.TH TCPDUMP 1  "6 May 2014"
 .SH NAME
 tcpdump \- dump traffic on a network
 .SH SYNOPSIS
@@ -123,6 +123,9 @@ tcpdump \- dump traffic on a network
 ]
 .ti +8
 [
+.B \-\-version
+]
+[
 .I expression
 ]
 .br
@@ -354,6 +357,10 @@ option, filenames will take the form of `\fIfile\fP<count>'.
 Print the tcpdump and libpcap version strings, print a usage message,
 and exit.
 .TP
+.B \-\-version
+.PD
+Print the tcpdump and libpcap version strings and exit.
+.TP
 .B \-H
 Attempt to detect 802.11s draft mesh headers.
 .TP
@@ -425,6 +432,15 @@ List the supported time stamp types for the interface and exit.  If the
 time stamp type cannot be set for the interface, no time stamp types are
 listed.
 .TP
+.BI \-\-time\-stamp\-precision= tstamp_precision
+.PD
+Set the time stamp precision for the capture to
+\fItstamp_precision\fP. Currently supported are microseconds and
+nanoseconds. Note that availability of high precision time stamps (nanoseconds)
+and their actual accuracy is platform and HW dependent. Also note that when
+writing captures to the savefile, distinct magic number is used to distinguish
+savefiles which contains time stamps in nanoseconds.
+.TP
 .B \-K
 .PD 0
 .TP
@@ -504,7 +520,7 @@ E.g.,
 if you give this flag then \fItcpdump\fP will print ``nic''
 instead of ``nic.ddn.mil''.
 .TP
-.B \--number
+.B \-\-number
 Print an optional packet number at the beginning of the line.
 .TP
 .B \-O