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Santwona Behera originally intended to extend the -n and -N options to
cover querying and setting rules as well as flow hash options.
However, his patch fell between the cracks and the ethtool utility got
n-tuple support first, using the -u and -U options. When RX NFC rule
support was finally added I insisted that it should not require
different command syntax, so rules must be accessed through these
options.
The sets of valid argument lists following the -n and -u options are
still non-overlapping, and similarly for the -N and -U options. Since
the top level argument parser now supports arbitrary numbers of option
aliases, we can merge these pairs together and achieve the original
intent.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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