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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 22 Jun 2011 21:53:45 +0000 (UTC)
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Subject: svn commit: r223444 - head/libexec/tftpd
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Author: rodrigc
Date: Wed Jun 22 21:53:45 2011
New Revision: 223444
URL: http://svn.freebsd.org/changeset/base/223444

Log:
  Clarify tftpd's -d flag in the new TFTP implementation.
  Bump date.

Modified:
  head/libexec/tftpd/tftpd.8

Modified: head/libexec/tftpd/tftpd.8
==============================================================================
--- head/libexec/tftpd/tftpd.8	Wed Jun 22 21:43:10 2011	(r223443)
+++ head/libexec/tftpd/tftpd.8	Wed Jun 22 21:53:45 2011	(r223444)
@@ -32,7 +32,7 @@
 .\"	@(#)tftpd.8	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd September 14, 2000
+.Dd June 22, 2011
 .Dt TFTPD 8
 .Os
 .Sh NAME
@@ -150,9 +150,27 @@ compatible format string for the creatio
 .Fl W
 is specified.
 By default the string "%Y%m%d" is used.
-.It Fl d
+.It Fl d, d Ar [value]
 Enables debug output.
-If specified twice, it will log DATA and ACK packets too.
+If
+.Ar value
+is not specified, then the debug level is increased by one
+for each instance of
+.Fl d
+which is specified.
+.Pp
+If
+.Ar value
+is specified, then the debug level is set to 
+.Ar value .
+The debug level is a bitmask implemented in 
+.Pa src/libexec/tftpd/tftp-utils.h .
+Valid values are 0 (DEBUG_NONE), 1 (DEBUG_PACKETS), 2, (DEBUG_SIMPLE),
+4 (DEBUG_OPTIONS), and 8 (DEBUG_ACCESS).  Multiple debug values can be combined
+in the bitmask by logically OR'ing the values.  For example, specifying
+.Fl d
+.Ar 15
+will enable all the debug values.
 .It Fl l
 Log all requests using
 .Xr syslog 3