Software indexes are PMD internal and should not be passed outside.
Right now SW and HW indexes of the Tx queue match, so it is just
a cosmetic fix.
Fixes: dbdc82416b72 ("net/sfc: factor out libefx-based Tx datapath")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
7928b0fdf8