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Document the new {set,get}{timestamp,counter} messages supported by the

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ng_source node.  Also remove an obsolete email address.

Sponsored by: Sandvine Incorporated
This commit is contained in:
Ed Maste 2007-03-02 02:34:31 +00:00
parent 577421ebc5
commit 55c60b648b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167161
1 changed files with 50 additions and 4 deletions
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54
share/man/man4/ng_source.4
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@ -1,4 +1,4 @@
.\" Copyright 2002-2006 Sandvine Inc.
.\" Copyright 2002-2007 Sandvine Inc.
.\" All rights reserved.
.\"
.\" Subject to the following obligations and disclaimer of warranty, use and
@ -29,10 +29,10 @@
.\" THIS SOFTWARE, EVEN IF SANDVINE IS ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\"
.\" Author: Dave Chapeskie <dchapeskie@sandvine.com>
.\" Author: Dave Chapeskie
.\" $FreeBSD$
.\"
.Dd October 22, 2006
.Dd March 1, 2007
.Dt NG_SOURCE 4
.Os
.Sh NAME
@ -180,6 +180,52 @@ This message requires a single
.Vt uint32_t
parameter which puts upper limit on the amount of packets
sent per second.
.It Dv NGM_SOURCE_SET_TIMESTAMP Pq Ic settimestamp
This message specifies that a timestamp (in the format of a
.Vt "struct timeval" Ns )
should be inserted in the transmitted packets.
This message requires a structure containing the following fields:
.Bl -tag -width indent
.It Va offset
The offset from the beginning of the packet at which the timestamp is to be
inserted.
.It Va flags
Set to 1 to enable the timestamp.
.El
.It Dv NGM_SOURCE_GET_TIMESTAMP Pq Ic gettimestamp
Returns the current timestamp settings in the form of the structure described
above.
.It Dv NGM_SOURCE_SET_COUNTER Pq Ic setcounter
This message specifies that a counter should be embedded in transmitted
packets.
Up to four counters may be independently configured.
This message requires a structure containing the following fields:
.Bl -tag -width indent
.It Va offset
The offset from the beginning of the packet at which the counter is to be
inserted.
.It Va flags
Set to 1 to enable the counter.
.It Va width
The byte width of the counter. It may be 1, 2, or 4.
.It Va next_val
The value for the next insertion of the counter.
.It Va min_val
The minimum value to be used by the counter.
.It Va max_val
The maximum value to be used by the counter.
.It Va increment
The value to be added to the counter after each insertion.
It may be negative.
.It Va index
The counter to be configured, from 0 to 3.
.El
.It Dv NGM_SOURCE_GET_COUNTER Pq Ic getcounter
This message requires a single
.Vt uint8_t
parameter which specifies the counter to query.
Returns the current counter settings in the form of the structure described
above.
.El
.Sh SHUTDOWN
This node shuts down upon receipt of a
@ -299,4 +345,4 @@ The
node type was implemented in
.Fx 4.8 .
.Sh AUTHORS
.An Dave Chapeskie Aq dchapeskie@SANDVINE.com
.An Dave Chapeskie