[dpdk-dev] Which counters are set by rte_eth_stats_get

[Tom Barbette]

> The other option would be to push for implementing all basic stats
> in all drivers, and consider an unimplemented stat as a bug.
It may be impossible in some cases. I think imissed is not even reported by hardware for mlx5 cards. Only an aggregate for all queues. 

I'll add a "uint64_t stats_capa" at the end of dev_info, unless you prefer something else.

Tom