[dpdk-dev] [PATCH v3] app/testpmd: add parameter to start forwarding TX first
Thomas Monjalon
thomas at monjalon.net
Mon Jun 19 23:12:53 CEST 2017
15/06/2017 14:05, De Lara Guarch, Pablo:
> > Add parameter to start forwarding sending first
> > a burst of packets, which is useful when testing
> > a loopback connection.
> >
> > This was already implemented as an internal command,
> > but adding it as a parameter is interesting, as it
> > allows the user to test a loopback connection without
> > entering in the internal command line.
> >
> > Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
> > ---
> > --- a/doc/guides/testpmd_app_ug/run_app.rst
> > +++ b/doc/guides/testpmd_app_ug/run_app.rst
> > @@ -188,6 +188,14 @@ The commandline options are:
> >
> > Start forwarding on initialization.
> >
> > +* ``--tx-first``
> > +
> > + Start forwarding, after sending a burst of packets first.
> > +
> > +.. Note::
> > +
> > + This flag should be only used in non-interactive mode.
I don't really understand the benefit of this option.
Why is it better than
echo start tx_first | testpmd -i
?
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