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netmap: update nmreplay(8)

Browse source 
Small modifications to the nmreplay man page.
Used igor and mandoc tools to fix warnings and errors.

Reviewed by:	bcr
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D18629
This commit is contained in:
Vincenzo Maffione 2018-12-21 14:45:10 +00:00
parent 4b45250941
commit c2231fb0f8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=342302
1 changed files with 13 additions and 14 deletions
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27
tools/tools/netmap/nmreplay.8
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@ -24,8 +24,8 @@
.\"
.\" $FreeBSD$
.\"
.Dd February 16, 2016
.Dt NMREPLAY 1
.Dd December 21, 2018
.Dt NMREPLAY 8
.Os
.Sh NAME
.Nm nmreplay
@ -43,6 +43,8 @@
.Op Fl w Ar wait-link
.Op Fl v
.Op Fl C Ar cpu-placement
.El
.Ek
.Sh DESCRIPTION
.Nm
works like
@ -63,6 +65,9 @@ Command line options are as follows
Name of the pcap file to replay.
.It Fl i Ar interface
Name of the netmap interface to use as output.
See
.Xr netmap 4
for interface name format.
.It Fl v
Enable verbose mode
.It Fl b Ar batch-size
@ -71,7 +76,7 @@ Maximum batch size to use during transmissions.
normally transmits packets one at a time, but it may use
larger batches, up to the value specified with this option,
when running at high rates.
.It Fl B Ar bps | Cm constant, Ns Ar bps | Cm ether, Ns Ar bps | Cm real Ns Op , Ns Ar speedup
.It Fl B Ar bps | Cm constant , Ns Ar bps | Cm ether , Ns Ar bps | Cm real Ns Op , Ns Ar speedup
Bandwidth to be used for transmission.
.Ar bps
is a floating point number optionally follow by a character
@ -85,11 +90,12 @@ indicates that the ethernet framing (160 bits) and CRC (32 bits)
will be included in the computation of the packet size.
.Cm real
means transmission will occur according to the timestamps
recorded in the trace. The optional
recorded in the trace.
The optional
.Ar speedup
multiplier (defaults to 1) indicates how much faster
or slower than real time the trace should be replayed.
.It Fl D Ar dt | Cm constant, Ns Ar dt | Cm uniform, Ns Ar dmin,dmax | Cm exp, Ar dmin,davg
.It Fl D Ar dt | Cm constant , Ns Ar dt | Cm uniform , Ns Ar dmin,dmax | Cm exp , Ar dmin,davg
Adds additional delay to the packet transmission, whose distribution
can be constant, uniform or exponential.
.Ar dt, dmin, dmax, avt
@ -98,7 +104,7 @@ by a character (s, m, u, n) to indicate seconds, milliseconds,
microseconds, nanoseconds.
The delay is added to the transmit time and adjusted so that there is
never packet reordering.
.It Fl L Ar x | Cm plr, Ns Ar x | Cm ber, Ns Ar x
.It Fl L Ar x | Cm plr , Ns Ar x | Cm ber , Ns Ar x
Simulates packet or bit errors, causing offending packets to be dropped.
.Ar x
is a floating point number indicating the packet or bit error rate.
@ -113,14 +119,7 @@ creates an in-memory schedule with all packets to be transmitted,
and then launches a separate thread to take care of transmissions
while the main thread reports statistics every second.
.Sh SEE ALSO
.Pa http://info.iet.unipi.it/~luigi/netmap/
.Pp
Luigi Rizzo, Revisiting network I/O APIs: the netmap framework,
Communications of the ACM, 55 (3), pp.45-51, March 2012
.Pp
Luigi Rizzo, Giuseppe Lettieri,
VALE, a switched ethernet for virtual machines,
ACM CoNEXT'12, December 2012, Nice
.Xr netmap 4
.Sh AUTHORS
.An -nosplit
.Nm