K 10
svn:author
V 9
vmaffione
K 8
svn:date
V 27
2020-08-12T14:17:38.657993Z
K 7
svn:log
V 365
iflib: refactor netmap_fl_refill and fix off-by-one issue

First, fix the initialization of the fl->ifl_rxd_idxs array,
which was affected by an off-by-one bug.
Once there, refactor the function to use better names for
local variables, optimize the variable assignments, and
merge the bus_dmamap_sync() inner loop with the outer one.

PR:	248494
MFC after:	3 weeks

END