On Fri,  3 Mar 2017 16:40:23 +0100
Gaetan Rivet [off-list ref] wrote:

Other configuration items (i.e. MAC addresses) are stored within
rte_eth_dev_data, but not this one.

Signed-off-by: Gaetan Rivet <redacted>

Maybe time to introduce a generic set of bit array operations like
kernel set/clear/test bit functions. There are architecture specific
instructions for this (doesn't matter for this case). May even be GCC builtin support