[Make-wifi-fast] iperf 2: RPM w/working load, tos symbolic support

[Bob McMahon]

Hi All,

I've added a few more options to the iperf 2 bounceback test around
responsiveness & working load.

CLIENT SPECIFIC OPTIONS

           --bounceback
              run a tcp bounceback test (set size with -l or --len,
defaults to 100 bytes)

           --bounceback-congest[=up|down|bidir][,n]
              request a concurrent working load or TCP stream(s), defaults
to full duplex (or bidir) unless the up or down option is provided. The
number of TCP streams defaults to 1 and
              can  be  changed  via the n value, e.g.
--bounceback-congest=down,4 will use four TCP streams from server to the
client as the working load. The IP ToS will be BE (0x0) for
              working load traffic.

Also, thanks to Dave and some WMM QoS guys, I've added symbolic names to
the --tos and --tos-override support.

       IP  tos:  Specifies  the type-of-service or DSCP class for
connections.  Accepted values are af11, af12, af13, af21, af22, af23, af31,
af32, af33, af41, af42, af43, cs0, cs1, cs2,
       cs3, cs4, cs5, cs6, cs7, ef, le, nqb, nqb2, ac_be, ac_bk, ac_vi,
ac_vo, lowdelay, throughput, reliability, a numeric value, or none to use
the operating system default.  The ac_xx
       values are the four access categories defined in WMM for Wi-Fi, and
they are aliases for DSCP values that will be mapped to the corresponding
ACs under the assumption that the de‐
       vice uses the DSCP-to-UP mapping table specified in IETF RFC 8325.

Thanks,
Bob

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